------------------ MIL-B-7883 TYPE 1 ------------------ A10458 AWS D17.1 ------------------ MIL-STD-2219 ------------------ AMS 2469



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3P PROCESSING 12885 1702 S. KNIGHT ST. (WEST & HARRY) WICHITA, KS 67213 QUALITY MANAGER 316-943-0731 A & H WELDMASTERS ST0001 253 NE 32 COURT OAKLAND PARK, FL 33334 ANDRE VILLENEUVE 954-566-5481 TORCH BRAZING MIL-B-7883 TYPE 1 WELDING FOR AEROSPACE A10458 AWS D17.1 5/14/2017 NO 1/19/2019 NO GAS TUNGSTEN ARC WELDING MIL-STD-2219 1/19/2019 NO A&E TESTING ST0002 1514 ROCHESTER STREET LIMA, NY 14485 GENE SHORT 585-624-4500 MAGNETIC PARTICLE INSPECTION ASTM E1444 4/13/2019 NO AAA PLATING & INSPECTION ST0003 424 DIXON STREET COMPTON, CA 90222 BOB CUSTER, QA DIRECTOR 310-637-1066 HARD COAT ALUMINUM AMS 2469 ANODIZING AMS 2470 ANODIZE ALUMINUM, SULFURIC ACID AMS 2471 ANODIZING OF ALUMINUM & ALUMINUM ALLOYS AMS 2472 CONVERSION/PHOSPHATE COATINGS AMS 2473 PASSIVATION OF CORROSION RESISTANT STEELS AMS 2700 NADCAP AUDIT CRITERIA FOR SURFACE PREP PRIOR TO METAL BOND AMS 7108/3 REV A GD-OTS TIPQA Report Page 1 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

AAA PLATING & INSPECTION ST0003 424 DIXON STREET COMPTON, CA 90222 BOB CUSTER, QA DIRECTOR 310-637-1066 ANODIC COATINGS FOR ALUMINUM & ALUMINUM ALLOYS AMS-A-8625 PASSIVATION-STAINLESS STEEL AMS-QQ-P-35 CADMIUM ELECTROPLATING AMS-QQ-P-416 CHEM PASSIVATION OF STAINLESS PARTS ASTM A967 & A380 Descaling & Cleaning Titanium & Titanium Alloy Surfaces ASTM B600 CHEMICAL CONVERSION COAT ON ALU MIL-C-5541 ALUM CHEMICAL FILM MIL-DTL-5541 SELECTIVE (BRUSH PLATING) ELECTRO DEP MIL-STD-865 AACTRON INC ST0004 29306 STEPHENSON HWY MADISON HEIGHT, MI 48071 LISA BUSHON 248-543-6740 Gov Approved for M2 & MK19 Contracts MIL-DTL-16232 Phosphate MIL-DTL-16232 - M2 6/9/2018 NO AAXON LABS, INC ST0005 4113 MURRAY AVE HALTOM CITY, TX 76117 CHRIS MOON 817-514-6900 CHEM PASSIVATION OF STAINLESS PARTS ASTM A967 & A380 PASSIVATION-STAINLESS STEEL QQ-P-35 GD-OTS TIPQA Report Page 2 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

ACCURATE BRAZING ST0006 36 COTE AVE GOFFSTOWN, NH 03045 QUALITY MANAGER 603-625-1456 HEAT TREAT OF STEEL PARTS, GENERAL REQUIREMENTS AMS 2759 HEAT TREAT PRECIPITATION HARDENING AMS 2759/3 HEAT TREATMENT AUSTENITIC CORROSION-RESISTANT STEEL PARTS AMS 2759/4 HEAT TREATMENT MARTENISTIC CORROSION-RESISTANT STEEL PARTS AMS 2759/5 ACCURATE METAL FINISHING ST0008 500 GUS HIPP BLVD ROCKLEDGE, FL 32955 QA MANAGER 321-636-4900 MIL-A-8625 SULFURIC ACID - ALUM ANOD TYPE II CLASS 1 MIL-A-8625 TYII CL1 MIL-A-8625 SULFURIC ACID - ALUM ANOD TYPE II CLASS 2 MIL-A-8625 TYII CL2 8/6/2017 NO 8/6/2017 NO MIL-A-8625 HARDCOAT - ALUM ANOD TYPE III, CLASS 1 MIL-A-8625 TYIII CL1 8/6/2017 NO MIL-A-8625 HARDCOAT - ALUM ANOD TYPE III, CLASS 2 MIL-A-8625 TYIII CL2 8/6/2017 NO ACTON METAL PROCESSING ST0009 41 ATHLETIC FIELD ROAD WALTHAM, MA 02454 RUPERT FLAGG 781-893-5890 ZINC PHOSPHATE, TYPE I TT-C-490 TYI 11/13/2017 NO ADTEC ELECTROPLATING 13348 125 GLENN ST LAWRENCE, MA 01843-1036 DAVID O'NEIL 978-683-2082 COPPER ELECTROPLATING AMS 2418 NICKEL PLATE AMS-QQ-N-290 CADMIUM ELECTROPLATING AMS-QQ-P-416 GD-OTS TIPQA Report Page 3 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

ADTEC ELECTROPLATING 13348 125 GLENN ST LAWRENCE, MA 01843-1036 DAVID O'NEIL 978-683-2082 ELECTRODEPOSITED GOLD ASTM B488-1 ZINC ELECTROPLATING TYPE I ASTM B633 TYPE I ZINC ELECTROPLATING TYPE II ASTM B633 TYPE II ZINC ELECTROPLATING TYPE III ASTM B633 TYPE III ZINC ELECTROPLATING TYPE IV ASTM B633 TYPE IV ZINC ELECTROPLATING TYPE V ASTM B633 TYPE V ZINC ELECTROPLATING TYPE Vl ASTM B633 TYPE VI COPPER ELECTROPLATING MIL-C-14550 ELECTROLESS NICKEL PLATING CLASS 1 MIL-C-26074 CL1 ELECTROLESS NICKEL PLATING CLASS 2 MIL-C-26074 CL2 ELECTROLESS NICKEL PLATING CLASS 3 MIL-C-26074 CL3 ELECTROLESS NICKEL PLATING CLASS 4 MIL-C-26074 CL4 GOLD ELECTROPLATING MIL-DTL-45204 GD-OTS TIPQA Report Page 4 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

ADTEC ELECTROPLATING 13348 125 GLENN ST LAWRENCE, MA 01843-1036 DAVID O'NEIL 978-683-2082 ALUM CHEMICAL FILM TYPE I, CLASS 3 MIL-DTL-5541 TYI CL3 ALUM CHEMICAL FILM TYPE I, CLASS 1A MIL-DTL-5541 TYICL1A GOLD ELECTROPLATING MIL-G-45204 QQ-S-365 SILVER ELECTROPLATING TYPE I, GRADE A QQ-S-365 TYI GRDA QQ-S-365 SILVER ELECTROPLATING TYPE I, GRADE B QQ-S-365 TYI GRDB QQ-S-365 SILVER ELECTROPLATING TYPE II, GRADE A QQ-S-365 TYII GRDA QQ-S-365 SILVER ELECTROPLATING TYPE II, GRADE B QQ-S-365 TYII GRDB SILVER ELECTROPLATING TYPE III, GRADE A QQ-S-365 TYIII GRDA SILVER ELECTROPLATING TYPE III, GRADE B QQ-S-365 TYIII GRDB ADVANCE MANUFACTURING CO., INC 22 8 TURNPIKE INDUSTRIAL PARK WESTFIELD, MA 01086-0726 LOUISE MACINTYRE JOE MARTOWSKI 413-568-2411 SPECIFICATIONS FOR WELDING, ALUMINUM, and ALUMINUM ALLOY MIL-W-22248A 10/29/2017 NO AWS D1.2 ALUMINUM STRUCTURAL WELDING A10458 AWS D1.2 6/9/2018 NO MAGNETIC PARTICLE INSPECTION ASTM E1444 GD-OTS TIPQA Report Page 5 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

ADVANCE MANUFACTURING CO., INC 22 8 TURNPIKE INDUSTRIAL PARK WESTFIELD, MA 01086-0726 LOUISE MACINTYRE JOE MARTOWSKI 413-568-2411 AWS D1.1 - D17.1 STEEL STRUCTURAL WELDING A10458 AWS D1.1 - D1 GD-OTS Induction & Flame Hardening Reqmts G02.797 4/8/2019 NO 4/8/2019 NO FUSION WELDING MIL-STD-2219 FUSION 4/8/2019 NO ADVANCE WELDING 11517 150 BROOKDALE DR SPRINGFIELD, MA 01104-3208 CHRIS KIELB 413 734-4544 AWS D1.1 - D17.1 STEEL STRUCTURAL WELDING A10458 AWS D1.1 - D1 AWS D1.2 ALUMINUM STRUCTURAL WELDING A10458 AWS D1.2 7/31/2018 YES 7/31/2018 YES AWS D1.6 - D17.1 SS STRUCTURAL WELDING A10458 AWS D1.6 - D1 7/31/2018 YES WELDING FOR AEROSPACE A10458 AWS D17.1 7/31/2018 YES WELDING NICKEL & STAINLESS GP 2, CL B AMS-W-6858 GR2 CLB 7/31/2018 YES WELDING NICKEL & STAINLESS GP 2, CL C AMS-W-6858 GR2 CLC 7/31/2018 YES RESISTANCE WELDING, SPOT AND SEAM AMS-W-6858 RES WELD 7/31/2018 YES TORCH BRAZING AWS C3.4 7/31/2018 YES TORCH BRAZING MIL-B-7883 TYPE 1 7/31/2018 YES INDUCTION BRAZING MIL-B-7883 TYPE III 7/31/2018 YES GD-OTS TIPQA Report Page 6 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

ADVANCE WELDING 11517 150 BROOKDALE DR SPRINGFIELD, MA 01104-3208 CHRIS KIELB 413 734-4544 FUSION WELDING FOR AEROSPACE REQMTS MIL-STD-2219 AERO 7/31/2018 YES ADVANCED COATING TECHNIQUES ST0297 311 Wyandanch Ave. North Babylon, NY 11704 Leandro Aparicio 631-643-4555 PASSIVATION OF CORROSION RESISTANT STEELS AMS 2700 PASSIVATION-STAINLESS STEEL AMS-QQ-P-35 PHOSPHATE COATING MIL-DTL-16232 ALUM CHEMICAL FILM MIL-DTL-5541 MAGNETIC PARTICLE INSPECTION ASTM E1444 ADVANCED HEAT TREAT CORP ST0010 2825 MIDPORT BLVD WATERLOO, IA 50703 DELBERT CLUBINE 319-291-3393 HEAT TREAT OF STEEL PARTS, GENERAL REQUIREMENTS AMS 2759 ION NITRIDING AMS 2759/8 (R) MAGNETIC PARTICLE INSPECTION ASTM E1444 1/20/2019 NO ADVANCED NITRIDING SOLUTIONS ST0011 1688 LAMMERS PIKE BATESVILLE, IN 47006 JEFF SCHEEL 812-932-1010 x103 ION NITRIDING AMS 2759/8 (R) ADVANCED TECHNOLOGY CO. 23 2858 E. WALNUT STREET PASADENA, CA 91107 MOHAMMED ISLAM 626-449-2696 ELECTRON BEAM WELDING AMS 2681A GD-OTS TIPQA Report Page 7 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

ADVANCED TECHNOLOGY CO. 23 2858 E. WALNUT STREET PASADENA, CA 91107 MOHAMMED ISLAM 626-449-2696 ELECTRON BEAM WELDING AMS 2681B AERO BENDING COMPANY 20 560 AUTO CENTER DR. PALMDALE, CA 93551 QUALITY MANAGER 661-948-2363 WELDING FOR AEROSPACE A10458 AWS D17.1 FUSION WELDING FOR AEROSPACE REQMTS MIL-STD-2219 AERO 9/10/2016 YES 9/10/2016 YES AERO METAL FINISHING ST0012 2150 NORTH LARK FENTON, MO 63026 WENDEL HUGGINS 636-677-1650 ALUM CHEMICAL FILM MIL-DTL-5541 ALUM CHEMICAL FILM TYPE I MIL-DTL-5541 TYI ALUM CHEMICAL FILM TYPE II MIL-DTL-5541 TYII AERODYNAMICS PLATING ST0013 13620 SOUTH STREET ANDREWS PL., CA 90249 QUALITY MANAGER 310-329-7959 ALUM CHEMICAL FILM TYPE II, CLASS 3 MIL-DTL-5541 TY2 CL3 ALUM CHEMICAL FILM TYPE II, CLASS 1A MIL-DTL-5541 TY2CL1A 7/1/2017 NO 7/1/2017 NO ALUM CHEMICAL FILM TYPE I, CLASS 3 MIL-DTL-5541 TYI CL3 7/1/2017 NO ALUM CHEMICAL FILM TYPE I, CLASS 1A MIL-DTL-5541 TYICL1A 7/1/2017 NO AEROSPACE DEFENSE COATINGS ST0014 7700 N.E. INDUSTRIAL BLVD MACON, GA 31216 KELLI YANERIS 478-784-8594 PASSIVATION OF CORROSION RESISTANT STEELS AMS 2700 PASSIVATION-STAINLESS STEEL AMS-QQ-P-35 GD-OTS TIPQA Report Page 8 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

AEROSPACE DEFENSE ST0014 COATINGS 7700 N.E. INDUSTRIAL BLVD MACON, GA 31216 KELLI YANERIS 478-784-8594 CHEM PASSIVATION OF STAINLESS PARTS ASTM A967 & A380 MIL-A-8625 CHROMIC ACID - ALUM ANOD TYPE I, CLASS 1 MIL-A-8625 TYI CL1 MIL-A-8625 CHROMIC ACID - ALUM ANOD TYPE I, CLASS 2 MIL-A-8625 TYI CL2 MIL-A-8625 CHROMIC ACID - ALUM ANOD TYPE IB, CLASS 1 MIL-A-8625 TYIB CL1 MIL-A-8625 CHROMIC ACID - ALUM ANOD TYPE IB, CLASS 2 MIL-A-8625 TYIB CL2 MIL-A-8625 SULFURIC ACID - ALUM ANOD TYPE II CLASS 2 MIL-A-8625 TYII CL2 MIL-A-8625 THIN SULF ACID AL ANOD TYPE IIB, CL2 MIL-A-8625 TYIIB CL2 MIL-A-8625 HARDCOAT - ALUM ANOD TYPE III, CLASS 1 MIL-A-8625 TYIII CL1 MIL-A-8625 HARDCOAT - ALUM ANOD TYPE III, CLASS 2 MIL-A-8625 TYIII CL2 PHOSPHATE COATING MIL-DTL-16232 ALUM CHEMICAL FILM MIL-DTL-5541 ALUM CHEMICAL FILM TYPE II MIL-DTL-5541 TYII GD-OTS TIPQA Report Page 9 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

AEROSPACE DEFENSE ST0014 COATINGS 7700 N.E. INDUSTRIAL BLVD MACON, GA 31216 KELLI YANERIS 478-784-8594 MAGNETIC PARTICLE INSPECTION ASTM E1444 AEROSPACE TESTING LAB ST0016 32 SOUTH SATELLITE RD SOUTH WINDSOR, CT 06074 QA MANAGER 860-882-1575 MAGNETIC PARTICLE INSPECTION ASTM E1444 7/31/2018 YES 7/31/2018 YES Inspection, Liquid Penetrant and Magnetic Particle MIL-STD-1907 7/31/2018 YES ULTRASONIC INSPECTION MIL-STD-2154 7/31/2018 YES AEROSPACE WELDING ST0017 2035 GRANVILLE AVE LOS ANGELES, 90025 JOHN GREEN 310-463-8684 WELDING ALUM & MAG ALLOYS GP 1, CL A AMS-W-6858 GR1 CLA WELDING ALUM & MAG ALLOYS GP 1, CL B AMS-W-6858 GR1 CLB WELDING ALUM & MAG ALLOYS GP 1, CL C AMS-W-6858 GR1 CLC WELDING ALUM & MAG ALLOYS GP 2, CL A AMS-W-6858 GR2 CLA WELDING NICKEL & STAINLESS GP 2, CL B AMS-W-6858 GR2 CLB WELDING NICKEL & STAINLESS GP 2, CL C AMS-W-6858 GR2 CLC WELDING ALUM & MAG ALLOYS GP 3, CL B AMS-W-6858 GR3 CL B GD-OTS TIPQA Report Page 10 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

AEROSPACE WELDING ST0017 2035 GRANVILLE AVE LOS ANGELES, 90025 JOHN GREEN 310-463-8684 WELDING ALUM & MAG ALLOYS GP 3, CL C AMS-W-6858 GR3 CL C WELDING ALUM & MAG ALLOYS GP 3, CL A AMS-W-6858 GR3 CLA RESISTANCE WELDING AWS D17.2 Aerotech Processing Solutions LLC ST0281 57 Wood St Paterson, NJ 07524 ANODIZING AMS 2470 PASSIVATION OF CORROSION RESISTANT STEELS AMS 2700 ANODIC COATINGS FOR ALUMINUM & ALUMINUM ALLOYS AMS-A-8625 PASSIVATION-STAINLESS STEEL AMS-QQ-P-35 ANODIC COATINGS FOR ALUMINUM & ALUMINUM ALLOYS MIL-A-8625 CHEMICAL CONVERSION COAT ON ALU MIL-C-5541 ALUM CHEMICAL FILM MIL-DTL-5541 AIRCRAFT WELDING ST0019 38335 APOLLO PKWY WILLOUGHBY, OH 44094 MIKE HORVATH 440-510-4500 Ground Combat Vehicle Welding Code 12479550 2/9/2019 NO AIRCRAFT X-RAY LABORATORIES ST0020 5215 PACIFIC BLVD HUNTINGTON PARK, CA 90255 DON DAVIS 323-587-4141 PASSIVATION OF CORROSION RESISTANT STEELS AMS 2700 GD-OTS TIPQA Report Page 11 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

AKRON STEEL HEAT TREAT ST0021 336 MORGAN AVE AKRON, OH 44311 QA MANAGER HEAT TREAT OF STEEL PARTS, GENERAL REQUIREMENTS AMS 2759 HEAT TREAT CARBON & LOW ALLOY STEEL < 220 KSI AMS 2759/1 HEAT TREAT OF LOW-ALLOY STEEL PARTS > 220 KSI AMS 2759/2 HEAT TREAT PRECIPITATION HARDENING AMS 2759/3 HEAT TREATMENT MARTENISTIC CORROSION-RESISTANT STEEL PARTS AMS 2759/5 ALERT PLATING CO ST0022 9939 GLEN OAKS BLVD SUN VALLEY, CA 91352 QA MANAGER 818-771-9304 NICKEL ELECTROPLATING QQ-N-290 ALLEN AIRCRAFT PRODUCTS ST0024 4879 NEWTON FALLS ROAD RAVENNA, OH 44266 ILEEN WEISBERG 330-296-1531 X3443 Gov Approved for M2 & MK19 Contracts MIL-DTL-16232 Phosphate MIL-DTL-16232 - M2 4/30/2017 NO PASSIVATION-STAINLESS STEEL AMS-QQ-P-35 MIL-A-8625 SULFURIC ACID - ALUM ANOD TYPE II CLASS 1 MIL-A-8625 TYII CL1 MIL-A-8625 SULFURIC ACID - ALUM ANOD TYPE II CLASS 2 MIL-A-8625 TYII CL2 MIL-A-8625 HARDCOAT - ALUM ANOD TYPE III, CLASS 1 MIL-A-8625 TYIII CL1 MIL-A-8625 HARDCOAT - ALUM ANOD TYPE III, CLASS 2 MIL-A-8625 TYIII CL2 GD-OTS TIPQA Report Page 12 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

ALLEN AIRCRAFT PRODUCTS ST0024 4879 NEWTON FALLS ROAD RAVENNA, OH 44266 ILEEN WEISBERG 330-296-1531 X3443 PHOSPHATE COATING MIL-DTL-16232 ALUM CHEMICAL FILM MIL-DTL-5541 ALLOYWELD INSPECTION ST0025 796 MAPLE LN BENSENVILLE, IL 60106 QA MANAGER 630-595-2145 LIQUID PENETRANT INSP., TYPE II TYPE II MAGNETIC PARTICLE INSPECTION ASTM E1444 RADIOGRAPHIC INSPECTION ASTM E1742-00 ULTRASONIC INSPECTION MIL-STD-2154 ALMAG PLATING CORP ST0027 1800 CHERRY HILL ROAD BALTIMORE, MD 21230 ROBERT DONOHOE 410-727-6373 MIL-A-8625 CHROMIC ACID - ALUM ANOD TYPE I, CLASS 1 MIL-A-8625 TYI CL1 MIL-A-8625 CHROMIC ACID - ALUM ANOD TYPE I, CLASS 2 MIL-A-8625 TYI CL2 MIL-A-8625 CHROMIC ACID - ALUM ANOD TYPE IB, CLASS 1 MIL-A-8625 TYIB CL1 MIL-A-8625 CHROMIC ACID - ALUM ANOD TYPE IB, CLASS 2 MIL-A-8625 TYIB CL2 MIL-A-8625 SULFURIC ACID - ALUM ANOD TYPE II CLASS 1 MIL-A-8625 TYII CL1 MIL-A-8625 SULFURIC ACID - ALUM ANOD TYPE II CLASS 2 MIL-A-8625 TYII CL2 MIL-A-8625 HARDCOAT - ALUM ANOD TYPE III, CLASS 1 MIL-A-8625 TYIII CL1 GD-OTS TIPQA Report Page 13 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

ALMAG PLATING CORP ST0027 1800 CHERRY HILL ROAD BALTIMORE, MD 21230 ROBERT DONOHOE 410-727-6373 MIL-A-8625 HARDCOAT - ALUM ANOD TYPE III, CLASS 2 MIL-A-8625 TYIII CL2 ALUM CHEMICAL FILM MIL-DTL-5541 ALPINE PRODUCTS ST0028 2030 DRILL AVE DAYTON, OH 45414 JEFF DAVIS 937-278-5861 / SMITHA GARIKAPATI CHEM PASSIVATION OF STAINLESS PARTS ASTM A967 & A380 ALUM CHEMICAL FILM TYPE I MIL-DTL-5541 TYI 3/19/2018 NO 3/19/2018 NO ALUMINUM FINISHING CO ST0029 1575 RAILROAD AVE BRIDGEPORT, CT 06605 DUANE BASS 203-366-5871 PASSIVATION-STAINLESS STEEL AMS-QQ-P-35 MIL-A-8625 SULFURIC ACID - ALUM ANOD TYPE II CLASS 1 MIL-A-8625 TYII CL1 MIL-A-8625 SULFURIC ACID - ALUM ANOD TYPE II CLASS 2 MIL-A-8625 TYII CL2 ALUM CHEMICAL FILM TYPE II MIL-DTL-5541 TYII AMERICAN BRAZING CORP ST0030 4428 HAMANN PKWY WILLOUGHBY, OH 44094 QA MANAGER 440-946-5900 HEAT TREAT PRECIPITATION HARDENING AMS 2759/3 HEAT TREATMENT MARTENISTIC CORROSION-RESISTANT STEEL PARTS AMS 2759/5 HEAT TREATMENT OF STEEL AMS-H-6875 HEAT TREAMENT OF TITANIUM AMS-H-81200 GD-OTS TIPQA Report Page 14 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

AMERICAN METAL TESTING ST0032 402 DARLINGTON ST LAPORTE, IN 46350-2510 JERRY CLAXON 219-324-2381 MAGNETIC PARTICLE INSPECTION ASTM E1444 RADIOGRAPHIC INSPECTION ASTM E1742-00 American Testing Services LTD ST0296 2000 Old Byers Road Miamisburg, OH 45342 937-298-9390 AMZ CORPORATION ST0033 2206 PA. AVE YORK, PA 17404 MIKE BILLMAN 717-848-2565 Gov Approved for M2 & MK19 Contracts MIL-DTL-16232 Phosphate MIL-DTL-16232 - M2 1/31/2018 NO ZINC ELECTROPLATING ASTM B633 ZINC ELECTROPLATING TYPE V ASTM B633 TYPE V ZINC ELECTROPLATING TYPE Vl ASTM B633 TYPE VI PHOSPHATE COATING MIL-DTL-16232 ANODICS ST0034 4105 MURRAY AVE FORT WORTH, TX 76117 QUALITY CONTROL MANAGER 817-281-2743 ANODIC COATINGS FOR ALUMINUM & ALUMINUM ALLOYS MIL-A-8625 ANODIZING INDUSTRIES ST0035 5160 ALHAMBRA AVE LOS ANGELES, CA 90032 CYNTHIA PIAZZA 323-227-4916 ANODIC COATINGS FOR ALUMINUM & ALUMINUM ALLOYS MIL-A-8625 MIL-A-8625 SULFURIC ACID - ALUM ANOD TYPE II CLASS 1 MIL-A-8625 TYII CL1 GD-OTS TIPQA Report Page 15 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

ANODIZING INDUSTRIES ST0035 5160 ALHAMBRA AVE LOS ANGELES, CA 90032 CYNTHIA PIAZZA 323-227-4916 MIL-A-8625 THIN SULF ACID AL ANOD TYPE IIB, CL2 MIL-A-8625 TYIIB CL2 MIL-A-8625 HARDCOAT - ALUM ANOD TYPE III, CLASS 1 MIL-A-8625 TYIII CL1 MIL-A-8625 HARDCOAT - ALUM ANOD TYPE III, CLASS 2 MIL-A-8625 TYIII CL2 ANODYNE INC ST0036 2230 SUSAN ST SANTA ANA, CA 92704 JOHN MCKENNA 714-549-3321 ANOPLATE CORPORATION 4123 459 PULASKI STREET SYRACUSE, NY 13204 ROBERT GINN, QC MANAGER 315-471-6143 PLATING ELECTROLESS NICKEL AMS 2404 PASSIVATION OF CORROSION RESISTANT STEELS AMS 2700 MAGNESIUM ALLOY, PRETREAT & PREV. OF CORR AMS-M-3171 AMS-P-81728 TIN-LEAD PLATING AMS-P-81728 PASSIVATION-STAINLESS STEEL AMS-QQ-P-35 ASTM B 545-97 ELECTRODEPOSIT COATING OF TIN ASTM B545 ZINC ELECTROPLATING TYPE I ASTM B633 TYPE I ZINC ELECTROPLATING TYPE II ASTM B633 TYPE II GD-OTS TIPQA Report Page 16 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

ANOPLATE CORPORATION 4123 459 PULASKI STREET SYRACUSE, NY 13204 ROBERT GINN, QC MANAGER 315-471-6143 ZINC ELECTROPLATING TYPE III ASTM B633 TYPE III ZINC ELECTROPLATING TYPE IV ASTM B633 TYPE IV ZINC ELECTROPLATING TYPE V ASTM B633 TYPE V ZINC ELECTROPLATING TYPE Vl ASTM B633 TYPE VI Electroless Nickel - Phosphorus Coatings ASTM B733 MIL-A-8625 CHROMIC ACID - ALUM ANOD TYPE I, CLASS 1 MIL-A-8625 TYI CL1 MIL-A-8625 CHROMIC ACID - ALUM ANOD TYPE I, CLASS 2 MIL-A-8625 TYI CL2 MIL-A-8625 CHROMIC ACID - ALUM ANOD TYPE IB, CLASS 1 MIL-A-8625 TYIB CL1 MIL-A-8625 CHROMIC ACID - ALUM ANOD TYPE IB, CLASS 2 MIL-A-8625 TYIB CL2 MIL-A-8625 SULFURIC ACID - ALUM ANOD TYPE II CLASS 1 MIL-A-8625 TYII CL1 MIL-A-8625 SULFURIC ACID - ALUM ANOD TYPE II CLASS 2 MIL-A-8625 TYII CL2 MIL-A-8625 HARDCOAT - ALUM ANOD TYPE III, CLASS 1 MIL-A-8625 TYIII CL1 MIL-A-8625 HARDCOAT - ALUM ANOD TYPE III, CLASS 2 MIL-A-8625 TYIII CL2 GD-OTS TIPQA Report Page 17 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

ANOPLATE CORPORATION 4123 459 PULASKI STREET SYRACUSE, NY 13204 ROBERT GINN, QC MANAGER 315-471-6143 ELECTROLESS NICKEL PLATING MIL-C-26074 PHOSPHATE COATING MIL-DTL-16232 ALUM CHEMICAL FILM MIL-DTL-5541 NICKEL, ELECTROLYTIC MIL-P-18317 SOLID FILM LUBE COATING MIL-PRF-46010F TYPE I TIN ELECTROPLATING MIL-T-10727 TYI CHROMIUM ELECTROPLATING QQ-C-320 NICKEL ELECTROPLATING QQ-N-290 SILVER ELECTROPLATING QQ-S-365 AO PRECISION MANUFACTURING LLC 5247 1870 MASON AVENUE DAYTONA BEACH, FL 32117 Patrick Gear 386-274-5882 X114 Chris Johnson MAGNETIC PARTICLE INSPECTION ASTM E1444 PHOSPHATE COATING MIL-DTL-16232 AOTCO METAL FINISHING CO ST0037 11 SUBURBAN PARK DRIVE BILLERICA, MA 01821 LYNNE NASON 978-667-8298 MIL-A-8625 CHROMIC ACID - ALUM ANOD TYPE I, CLASS 1 MIL-A-8625 TYI CL1 MIL-A-8625 CHROMIC ACID - ALUM ANOD TYPE I, CLASS 2 MIL-A-8625 TYI CL2 GD-OTS TIPQA Report Page 18 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

AOTCO METAL FINISHING CO ST0037 11 SUBURBAN PARK DRIVE BILLERICA, MA 01821 LYNNE NASON 978-667-8298 MIL-A-8625 CHROMIC ACID - ALUM ANOD TYPE IB, CLASS 1 MIL-A-8625 TYIB CL1 MIL-A-8625 CHROMIC ACID - ALUM ANOD TYPE IB, CLASS 2 MIL-A-8625 TYIB CL2 MIL-A-8625 SULFURIC ACID - ALUM ANOD TYPE II CLASS 1 MIL-A-8625 TYII CL1 MIL-A-8625 SULFURIC ACID - ALUM ANOD TYPE II CLASS 2 MIL-A-8625 TYII CL2 MIL-A-8625 HARDCOAT - ALUM ANOD TYPE III, CLASS 1 MIL-A-8625 TYIII CL1 MIL-A-8625 HARDCOAT - ALUM ANOD TYPE III, CLASS 2 MIL-A-8625 TYIII CL2 TYPE I TIN ELECTROPLATING MIL-T-10727 TYI APPLIED THERMAL TECHNOLOGIES ST0038 2169 N 100 E WARSAW, IN 46582 QUALITY MANAGER 574-269-7116 HEAT TREAT PRECIPITATION HARDENING AMS 2759/3 HEAT TREATMENT OF STEEL AMS-H-6875 AREMAC HEAT TREATING ST0284 330 Ninth Ave City of Industry, CA 91746 626-333-3898 HEAT TREAT PRECIPITATION HARDENING AMS 2759/3 HEAT TREATMENT OF TITANIUIM ALLOY PARTS AMS 2801 HEAT TREAMENT OF TITANIUM AMS-H-81200 GD-OTS TIPQA Report Page 19 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

ARMOLOY OF CONN ST0040 151 ENTERPRISE DR BRISTOL, CT 06010 DAVID GRAHAM 860-583-7088 Chromium Coating, Thin, Hard, Dense Deposit AMS 2406 CHROMIUM PLATING AMS-QQ-C-320 ARMSTRONG MOLD CORP. 2352 6910 MANLIUS CENTER ROAD EAST SYRACUSE, NY 13057 BERINE CERIANI 315-437-1517 HEAT TREATMENT OF WROUGHT ALUMINUM ALLOY PARTS AMS 2770 ALUMINUM HEAT TREAT AMS 2771 6/5/2018 NO 6/5/2018 NO Asko Processing, Inc ST0285 434 N 35th Street Seattle, WA 98103 CHEM PASSIVATION OF STAINLESS PARTS ASTM A967 & A380 ELECTROLESS NICKEL PLATING MIL-C-26074 ASTRO ALUMINUM TREATING CO INC ST0041 11040 PALMER AVENUE SOUTH GATE, CA 90290 TOM GLOSSER 526-923-4344 HEAT TREATMENT OF WROUGHT ALUMINUM ALLOY PARTS AMS 2770 ALUMINUM HEAT TREAT OF RAW MATERIAL AMS 2772 HEAT TREATMENT OF ALUMINUM ALLOYS MIL-H-6088G AUTHORITY FLAME HARDENING ST0043 49803 LEONA DRIVE CHESTERFIELD, MI 48057 DAVID DECOOK 586-598-5887 SURFACE HARDENING: FLAME & INDUCTION HARDENING MIL-S-12515C 7/30/2017 NO AUTOMATED COATING, INC. ST0044 1504A QUARRY DRIVE EDGEWOOD, MD 21040 DAWNE JOHNSON 410-671-7383 PASSIVATION-STAINLESS STEEL AMS-QQ-P-35 ANODIC COATINGS FOR ALUMINUM & ALUMINUM ALLOYS MIL-A-8625 GD-OTS TIPQA Report Page 20 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

AUTOMATED COATING, INC. ST0044 1504A QUARRY DRIVE EDGEWOOD, MD 21040 DAWNE JOHNSON 410-671-7383 MIL-A-8625 SULFURIC ACID - ALUM ANOD TYPE II CLASS 1 MIL-A-8625 TYII CL1 MIL-A-8625 SULFURIC ACID - ALUM ANOD TYPE II CLASS 2 MIL-A-8625 TYII CL2 ALUM CHEMICAL FILM TYPE I, CLASS 3 MIL-DTL-5541 TYI CL3 ALUM CHEMICAL FILM TYPE II MIL-DTL-5541 TYII B & E Precision Aircraft Components dba New England Heat Treating Services ST0283 101 Springdale Rd Westfield, MA 01085 MAGNETIC PARTICLE INSPECTION ASTM E1444 ANODIZING AMS 2470 ANODIZING OF ALUMINUM & ALUMINUM ALLOYS AMS 2472 Hardness & Conductivity Inspection of Wrought Alum Alloy Par AMS 2658 HEAT TREAT PRECIPITATION HARDENING AMS 2759/3 HEAT TREATMENT AUSTENITIC CORROSION-RESISTANT STEEL PARTS AMS 2759/4 HEAT TREATMENT MARTENISTIC CORROSION-RESISTANT STEEL PARTS AMS 2759/5 HEAT TREATMENT OF PARTS IN A VACUUM AMS 2769 GD-OTS TIPQA Report Page 21 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

B & E Precision Aircraft Components dba New England Heat Treating Services ST0283 101 Springdale Rd Westfield, MA 01085 ALUMINUM HEAT TREAT OF RAW MATERIAL AMS 2772 HEAT TREATMENT OF STEEL AMS-H-6875 HEAT TREAMENT OF TITANIUM AMS-H-81200 STANDARD TESTING FOR ROCKWELL HARDNESS ASTM E18 B & M FINISHERS ST0045 KENILWORTH, NJ 07033 TONY CAROSELLI 908-241-5640 ALUM CHEMICAL FILM TYPE II MIL-DTL-5541 TYII MIL-A-8625 CHROMIC ACID - ALUM ANOD TYPE I, CLASS 1 MIL-A-8625 TYI CL1 10/31/2017 NO MIL-A-8625 CHROMIC ACID - ALUM ANOD TYPE I, CLASS 2 MIL-A-8625 TYI CL2 MIL-A-8625 CHROMIC ACID - ALUM ANOD TYPE IB, CLASS 1 MIL-A-8625 TYIB CL1 MIL-A-8625 CHROMIC ACID - ALUM ANOD TYPE IB, CLASS 2 MIL-A-8625 TYIB CL2 MIL-A-8625 SULFURIC ACID - ALUM ANOD TYPE II CLASS 1 MIL-A-8625 TYII CL1 MIL-A-8625 SULFURIC ACID - ALUM ANOD TYPE II CLASS 2 MIL-A-8625 TYII CL2 MIL-A-8625 HARDCOAT - ALUM ANOD TYPE III, CLASS 1 MIL-A-8625 TYIII CL1 MIL-A-8625 HARDCOAT - ALUM ANOD TYPE III, CLASS 2 MIL-A-8625 TYIII CL2 GD-OTS TIPQA Report Page 22 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

B & M FINISHERS ST0045 KENILWORTH, NJ 07033 TONY CAROSELLI 908-241-5640 ALUM CHEMICAL FILM TYPE I MIL-DTL-5541 TYI BARRY AVENUE PLATING, INC. ST0046 2210 BARRY AVE LOS ANGELES, CA 90064 QUALITY MANAGER 310-478-0078 MIL-A-8625 CHROMIC ACID - ALUM ANOD TYPE I, CLASS 2 MIL-A-8625 TYI CL2 BENNETT HEAT TREAT ST0047 82 RICHARD STREET INYLAND, PA 18974 JOHN QUAGLIA 973-589-0590 HEAT TREAT OF STEEL PARTS, GENERAL REQUIREMENTS AMS 2759 HEAT TREAT CARBON & LOW ALLOY STEEL < 220 KSI AMS 2759/1 HEAT TREAT OF LOW-ALLOY STEEL PARTS > 220 KSI AMS 2759/2 HEAT TREAT PRECIPITATION HARDENING AMS 2759/3 BENNETT HEAT TREATING AND BRAZING CO, INC 13255 690 FERRY STREET NEWARK, NJ 07105 CHESTER JOHNSTON 973-772-4200 HEAT TREAT OF STEEL PARTS, GENERAL REQUIREMENTS AMS 2759 HEAT TREAT CARBON & LOW ALLOY STEEL < 220 KSI AMS 2759/1 HEAT TREAT OF LOW-ALLOY STEEL PARTS > 220 KSI AMS 2759/2 HEAT TREAT PRECIPITATION HARDENING AMS 2759/3 HEAT TREATMENT MARTENISTIC CORROSION-RESISTANT STEEL PARTS AMS 2759/5 GAS NITRIDING AND HEAT TREATMENT OF LOW-ALLOY STEEL PARTS AMS 2759/6 GD-OTS TIPQA Report Page 23 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

BENNETT HEAT TREATING AND BRAZING CO, INC 13255 690 FERRY STREET NEWARK, NJ 07105 CHESTER JOHNSTON 973-772-4200 CARBURIZING & HEAT TREAT OF CARB. GR. STEEL AMS 2759/7 HEAT TREATMENT OF WROUGHT ALUMINUM ALLOY PARTS AMS 2770 ALUMINUM HEAT TREAT AMS 2771 ALUMINUM HEAT TREAT OF RAW MATERIAL AMS 2772 HEAT TREATMENT OF TITANIUIM ALLOY PARTS AMS 2801 HEAT TREATMENT OF ALUMINUM AND ALUMINUM ALLOYS AMS-H-6088 HEAT TREATMENT OF STEEL AMS-H-6875 HEAT TREAMENT OF TITANIUM AMS-H-81200 TORCH BRAZING MIL-B-7883 TYPE 1 INDUCTION BRAZING MIL-B-7883 TYPE III B-G Detection Services ST0280 9235 Glen Oaks Blvd Sun Valley, CA 91352-2625 Kenric Nilsson PASSIVATION-STAINLESS STEEL QQ-P-35 BILLMARK ST0049 2232 SOLONA STREET FORT WORTH, TX 76117 MARK SHAEFFER (OWNER) 817 429-5356 Tony Patrie Gov Approved for M2 & MK19 Contracts MIL-DTL-16232 Phosphate MIL-DTL-16232 - M2 2/15/2017 NO GD-OTS TIPQA Report Page 24 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

BODYCOTE ST0050 7474 GARDEN GROVE BLVD WESTMINISTER, CA 92683 DAVID GARCIA 714-893-6561 HEAT TREATMENT OF WROUGHT ALUMINUM ALLOY PARTS AMS 2770 ALUMINUM HEAT TREAT AMS 2771 ALUMINUM HEAT TREAT OF RAW MATERIAL AMS 2772 BODYCOTE (HP) ST0051 3370 BENEDICT WAY HUNTINGTON PARK, CA 90255 TODD ERKLE 323-583-1231 COPPER ELECTROPLATING AMS 2418 HEAT TREATMENT OF WROUGHT COPPER BERYLLIUM ALLOY PARTS AMS 2728 AMS 2750C Heat Treat AMS 2750 HEAT TREAT OF STEEL PARTS, GENERAL REQUIREMENTS AMS 2759 HEAT TREAT CARBON & LOW ALLOY STEEL < 220 KSI AMS 2759/1 HEAT TREAT OF LOW-ALLOY STEEL PARTS > 220 KSI AMS 2759/2 HEAT TREAT PRECIPITATION HARDENING AMS 2759/3 HEAT TREATMENT AUSTENITIC CORROSION-RESISTANT STEEL PARTS AMS 2759/4 HEAT TREATMENT MARTENISTIC CORROSION-RESISTANT STEEL PARTS AMS 2759/5 GD-OTS TIPQA Report Page 25 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

BODYCOTE (HP) ST0051 3370 BENEDICT WAY HUNTINGTON PARK, CA 90255 TODD ERKLE 323-583-1231 GAS NITRIDING AND HEAT TREATMENT OF LOW-ALLOY STEEL PARTS AMS 2759/6 CARBURIZING & HEAT TREAT OF CARB. GR. STEEL AMS 2759/7 CARBURIZING CARBON & LOW ALLOY STEELS AMS 2762 HEAT TREATMENT OF PARTS IN A VACUUM AMS 2769 HEAT TREATMENT OF STEEL AMS-H-6875 Heat Treatment of Wrought Copper-Beryllium Alloys, Process AMS-H-7199 MAGNETIC PARTICLE INSPECTION ASTM E1444 BODYCOTE THERMAL PROCESSING ST0053 11C OLD RIGHT ROAD IPSWICH, MA 01938 QUALITY MANAGER 978-356-3818 HEAT TREAT PRECIPITATION HARDENING AMS 2759/3 HEAT TREATMENT AUSTENITIC CORROSION-RESISTANT STEEL PARTS AMS 2759/4 HEAT TREATMENT MARTENISTIC CORROSION-RESISTANT STEEL PARTS AMS 2759/5 HEAT TREATMENT OF PARTS IN A VACUUM AMS 2769 HEAT TREATMENT OF STEEL AMS-H-6875 GD-OTS TIPQA Report Page 26 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

BODYCOTE THERMAL PROCESSING ST0053 11C OLD RIGHT ROAD IPSWICH, MA 01938 QUALITY MANAGER 978-356-3818 STANDARD TESTING FOR ROCKWELL HARDNESS ASTM E18 ST0054 16167 N. ROGERS DRIVE NEW BERLIN, WI 53151-2294 KEVIN JOHNSON 262-782-5553 AMS 2753 NTIRIDING PER BURLINGTON VT SPEC A10437 AMS 2753 NITRIDING, LIQUID SALT BATH, PROCESS SPEC FOR A10361 10/17/2017 NO 4/28/2018 NO ST0055 187 WATER ST LACONIA, NH 03246 Walter Zanes 603-524-7886 HEAT TREAT OF STEEL PARTS, GENERAL REQUIREMENTS AMS 2759 HEAT TREAT CARBON & LOW ALLOY STEEL < 220 KSI AMS 2759/1 HEAT TREAT OF LOW-ALLOY STEEL PARTS > 220 KSI AMS 2759/2 HEAT TREAT PRECIPITATION HARDENING AMS 2759/3 HEAT TREATMENT MARTENISTIC CORROSION-RESISTANT STEEL PARTS AMS 2759/5 HEAT TREATMENT OF TITANIUIM ALLOY PARTS AMS 2801 HEAT TREATMENT OF STEEL AMS-H-6875 ST0056 2005 MONTGOMERY ST FORT WORTH, TX 76107 QUALITY MANAGER 817-737-6651 HEAT TREAT CARBON & LOW ALLOY STEEL < 220 KSI AMS 2759/1 HEAT TREAT OF LOW-ALLOY STEEL PARTS > 220 KSI AMS 2759/2 GD-OTS TIPQA Report Page 27 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

BODYCOTE THERMAL PROCESSING ST0056 2005 MONTGOMERY ST FORT WORTH, TX 76107 QUALITY MANAGER 817-737-6651 HEAT TREAT PRECIPITATION HARDENING AMS 2759/3 HEAT TREATMENT AUSTENITIC CORROSION-RESISTANT STEEL PARTS AMS 2759/4 HEAT TREATMENT MARTENISTIC CORROSION-RESISTANT STEEL PARTS AMS 2759/5 HEAT TREATMENT OF PARTS IN A VACUUM AMS 2769 HEAT TREATMENT OF WROUGHT ALUMINUM ALLOY PARTS AMS 2770 ALUMINUM HEAT TREAT AMS 2771 ALUMINUM HEAT TREAT OF RAW MATERIAL AMS 2772 HEAT TREATMENT OF STEEL AMS-H-6875 STANDARD TESTING FOR ROCKWELL HARDNESS ASTM E18 ST0057 284 GROVE STREET WORCESTER, MA 01605 BORIS PROSHCHITSKY 508-754-1724 HEAT TREAT OF STEEL PARTS, GENERAL REQUIREMENTS AMS 2759 HEAT TREAT CARBON & LOW ALLOY STEEL < 220 KSI AMS 2759/1 HEAT TREAT OF LOW-ALLOY STEEL PARTS > 220 KSI AMS 2759/2 HEAT TREAT PRECIPITATION HARDENING AMS 2759/3 GD-OTS TIPQA Report Page 28 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

BODYCOTE THERMAL PROCESSING ST0057 284 GROVE STREET WORCESTER, MA 01605 BORIS PROSHCHITSKY 508-754-1724 HEAT TREATMENT MARTENISTIC CORROSION-RESISTANT STEEL PARTS AMS 2759/5 GAS NITRIDING AND HEAT TREATMENT OF LOW-ALLOY STEEL PARTS AMS 2759/6 CARBURIZING & HEAT TREAT OF CARB. GR. STEEL AMS 2759/7 ST0058 2900 SOUTH SUNOL DRIVE VERNON, CA 90058 DAVE LOUCKS 323-264-0113 HEAT TREAMENT OF TITANIUM AMS-H-81200 HEAT TREAT OF STEEL PARTS, GENERAL REQUIREMENTS AMS 2759 1/31/2018 NO HEAT TREAT CARBON & LOW ALLOY STEEL < 220 KSI AMS 2759/1 BOWMAN PLATING ST0059 2631 EAST 126TH ST COMPTON, CA 90222 QUALITY MANAGER 310-639-4343 PASSIVATION OF CORROSION RESISTANT STEELS AMS 2700 MAGNETIC PARTICLE INSPECTION ASTM E1444 BRADDOCK METAL DAYTONA ST0060 400 FENTRESS BLVD DAYTONA BEACH, FL 32114 Paul Alexander, QA Manager 386-267-0955 HEAT TREAT OF STEEL PARTS, GENERAL REQUIREMENTS AMS 2759 HEAT TREAT CARBON & LOW ALLOY STEEL < 220 KSI AMS 2759/1 10/15/2016 NO 10/15/2016 NO HEAT TREAT PRECIPITATION HARDENING AMS 2759/3 10/15/2016 NO GD-OTS TIPQA Report Page 29 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

BRADDOCK METAL DAYTONA ST0060 400 FENTRESS BLVD DAYTONA BEACH, FL 32114 Paul Alexander, QA Manager 386-267-0955 GAS NITRIDING AND HEAT TREATMENT OF LOW-ALLOY STEEL PARTS AMS 2759/6 10/15/2016 NO GD-OTS Induction & Flame Hardening Reqmts G02.797 5/28/2018 NO HEAT TREATMENT OF STEEL AMS-H-6875 3/8/2019 NO CARBURIZING & HEAT TREAT OF CARB. GR. STEEL AMS 2759/7 3/8/2019 NO CARBURIZING CARBON & LOW ALLOY STEELS AMS 2762 3/8/2019 NO BRADDOCK METALLURGICAL ST0061 14600 DUVAL PLACE WEST JACKSONVILLE, FL 32218 GORDON YOUNG/JEFF YOUNG 904-741-4777 AMS 2750C Heat Treat AMS 2750 HEAT TREAT CARBON & LOW ALLOY STEEL < 220 KSI AMS 2759/1 HEAT TREAT OF LOW-ALLOY STEEL PARTS > 220 KSI AMS 2759/2 HEAT TREAT PRECIPITATION HARDENING AMS 2759/3 HEAT TREATMENT AUSTENITIC CORROSION-RESISTANT STEEL PARTS AMS 2759/4 HEAT TREATMENT MARTENISTIC CORROSION-RESISTANT STEEL PARTS AMS 2759/5 GAS NITRIDING AND HEAT TREATMENT OF LOW-ALLOY STEEL PARTS AMS 2759/6 GD-OTS TIPQA Report Page 30 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

BRADDOCK METALLURGICAL ST0061 14600 DUVAL PLACE WEST JACKSONVILLE, FL 32218 GORDON YOUNG/JEFF YOUNG 904-741-4777 CARBURIZING & HEAT TREAT OF CARB. GR. STEEL AMS 2759/7 HEAT TREATMENT OF PARTS IN A VACUUM AMS 2769 HEAT TREATMENT OF WROUGHT ALUMINUM ALLOY PARTS AMS 2770 ALUMINUM HEAT TREAT AMS 2771 ALUMINUM HEAT TREAT OF RAW MATERIAL AMS 2772 HEAT TREATMENT OF TITANIUIM ALLOY PARTS AMS 2801 HEAT TREATMENT OF ALUMINUM AND ALUMINUM ALLOYS AMS-H-6088 HEAT TREATMENT OF STEEL AMS-H-6875 HEAT TREAMENT OF TITANIUM AMS-H-81200 STANDARD TESTING FOR ROCKWELL HARDNESS ASTM E18 GD-OTS Induction & Flame Hardening Reqmts G02.797 5/28/2018 NO BRADDOCK METALLURGICAL, INC. 13295 1590 HUBER STREET NW ATLANTA, GA 30318 TIM WALTERS 404-355-6952 Gulf Stream Heat Treat Services GULF STREAM HT 2/5/2017 NO GD-OTS TIPQA Report Page 31 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

BRADDOCK METALS ST0062 123 CHIMNEY ROCK RD BRIDGEWATER, NJ 08807 GENERAL MANAGER 732-356-2906 HEAT TREATMENT OF TITANIUIM ALLOY PARTS AMS 2801 BRYCOAT INC. ST0063 207 VOLLMER AVE OLDSMAR, FL 34677 MIKE DENOVO, QUAL MANAGER 727-490-1000 COATING, TITANIUM NITRIDE PHYSICAL VAPOR DEPOSITION AMS 2444A BURBANK STEEL TREATING INC ST0066 415 SOUTH VARNEY STREET BURBANK, CA 91502-2125 OSCAR ORINSIO 818-842-0975 HEAT TREAT OF STEEL PARTS, GENERAL REQUIREMENTS AMS 2759 HEAT TREAT PRECIPITATION HARDENING AMS 2759/3 BURTON INDUSTRIES ST0067 243 WYANDANCH AVE N. BABYLON, NY 11704 NANCY MASE 631-643-6660 HEAT TREAT OF STEEL PARTS, GENERAL REQUIREMENTS AMS 2759 HEAT TREAT OF LOW-ALLOY STEEL PARTS > 220 KSI AMS 2759/2 HEAT TREAT PRECIPITATION HARDENING AMS 2759/3 HEAT TREATMENT MARTENISTIC CORROSION-RESISTANT STEEL PARTS AMS 2759/5 HEAT TREATMENT OF WROUGHT ALUMINUM ALLOY PARTS AMS 2770 ALUMINUM HEAT TREAT AMS 2771 HEAT TREATMENT OF STEEL AMS-H-6875 HEAT TREATMENT OF ALUMINUM ALLOYS MIL-H-6088G GD-OTS TIPQA Report Page 32 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

CANYON STATE INSPECTION ST0068 103 SOUTH SOUTHGATE CHANDLER, AZ 85226 LEVI GARANER 480-783-07100 4/9/2018 NO CENTRAL METAL FINISHING ST0069 80 FLAGSHIP DRIVE NORTH ANDOVER, MA 01845 PETER COX 978 685-4811 CADMIUM PLATING AMS 2400 Nickel Plating General Purpose Electrodeposited AMS 2403 Chromium Coating, Thin, Hard, Dense Deposit AMS 2406 COPPER ELECTROPLATING AMS 2418 PASSIVATION OF CORROSION RESISTANT STEELS AMS 2700 ELECTROLESS NICKEL PLATING AMS-C-26074 CHROMIUM PLATING AMS-QQ-C-320 NICKEL PLATE AMS-QQ-N-290 PASSIVATION-STAINLESS STEEL AMS-QQ-P-35 CADMIUM ELECTROPLATING AMS-QQ-P-416 PASSIVATION ASTM A380 GD-OTS TIPQA Report Page 33 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

CENTRAL METAL FINISHING ST0069 80 FLAGSHIP DRIVE NORTH ANDOVER, MA 01845 PETER COX 978 685-4811 CHEM PASSIVATION OF STAINLESS PARTS ASTM A967 & A380 ASTM B 545-97 ELECTRODEPOSIT COATING OF TIN ASTM B545 ZINC ELECTROPLATING ASTM B633 ELECTRODEPOSITED SILVER ASTM B700 CHEMICAL CONVERSION COAT ON ALU MIL-C-5541 ALUM CHEMICAL FILM MIL-DTL-5541 CERTIFIED METAL FINISHING ST0070 1420 S.W. 28TH AVE. POMPANO BEACH, FL 33069-4811 JANNIE HOWARD 954-979-0707 PASSIVATION OF CORROSION RESISTANT STEELS AMS 2700 PASSIVATION-STAINLESS STEEL AMS-QQ-P-35 MIL-A-8625 CHROMIC ACID - ALUM ANOD TYPE I, CLASS 1 MIL-A-8625 TYI CL1 MIL-A-8625 CHROMIC ACID - ALUM ANOD TYPE I, CLASS 2 MIL-A-8625 TYI CL2 MIL-A-8625 CHROMIC ACID - ALUM ANOD TYPE IB, CLASS 1 MIL-A-8625 TYIB CL1 MIL-A-8625 CHROMIC ACID - ALUM ANOD TYPE IB, CLASS 2 MIL-A-8625 TYIB CL2 MIL-A-8625 SULFURIC ACID - ALUM ANOD TYPE II CLASS 1 MIL-A-8625 TYII CL1 GD-OTS TIPQA Report Page 34 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

CERTIFIED METAL FINISHING ST0070 1420 S.W. 28TH AVE. POMPANO BEACH, FL 33069-4811 JANNIE HOWARD 954-979-0707 MIL-A-8625 SULFURIC ACID - ALUM ANOD TYPE II CLASS 2 MIL-A-8625 TYII CL2 MIL-A-8625 HARDCOAT - ALUM ANOD TYPE III, CLASS 1 MIL-A-8625 TYIII CL1 MIL-A-8625 HARDCOAT - ALUM ANOD TYPE III, CLASS 2 MIL-A-8625 TYIII CL2 ALUMINUM CHEMICAL FILM CLASS 3 MIL-C-5541E ALUM CHEMICAL FILM TYPE I MIL-DTL-5541 TYI ALUM CHEMICAL FILM TYPE II MIL-DTL-5541 TYII CERTIFIED METALCRAFT, INC. ST0071 877 VERNON WAY EL CAJON, CA 92020 QUALITY MANAGER HEAT TREAT OF STEEL PARTS, GENERAL REQUIREMENTS AMS 2759 HEAT TREAT CARBON & LOW ALLOY STEEL < 220 KSI AMS 2759/1 HEAT TREAT OF LOW-ALLOY STEEL PARTS > 220 KSI AMS 2759/2 HEAT TREATMENT OF WROUGHT ALUMINUM ALLOY PARTS AMS 2770 ALUMINUM HEAT TREAT AMS 2771 HEAT TREATMENT OF ALUMINUM AND ALUMINUM ALLOYS AMS-H-6088 STANDARD TESTING FOR ROCKWELL HARDNESS ASTM E18 GD-OTS TIPQA Report Page 35 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

CERTIFIED STEEL ST0072 2454 EAST 59TH STREET LOS ANGELES, CA 90508 QUALITY MANAGER 323-583-8711 HEAT TREAT CARBON & LOW ALLOY STEEL < 220 KSI AMS 2759/1 HEAT TREAT OF LOW-ALLOY STEEL PARTS > 220 KSI AMS 2759/2 HEAT TREAT PRECIPITATION HARDENING AMS 2759/3 CH THOMPSON CO ST0073 85 ELDRIDGE STREET BINGHAMTON, NY 13901 DAVE ARBES 607-724-1094 ALUM CHEMICAL FILM TYPE I MIL-DTL-5541 TYI ALUM CHEMICAL FILM TYPE II MIL-DTL-5541 TYII 12/18/2017 NO 12/18/2017 NO CIL INC ST0076 400 CANAL STREET LAWRENCE, MA 01840 DAVID MISSERVILLE 978-685-8300 PASSIVATION OF CORROSION RESISTANT STEELS AMS 2700 PASSIVATION-STAINLESS STEEL AMS-QQ-P-35 CHEM PASSIVATION OF STAINLESS PARTS ASTM A967 & A380 Manganese Phosphate BFD319019E - 2.1.1B Solid Film Lubricant BFD319019E - 2.1.1N Paint Drawing (DDG-1000) BFD319020 (REV F) MIL-A-8625 CHROMIC ACID - ALUM ANOD TYPE I, CLASS 1 MIL-A-8625 TYI CL1 MIL-A-8625 CHROMIC ACID - ALUM ANOD TYPE I, CLASS 2 MIL-A-8625 TYI CL2 GD-OTS TIPQA Report Page 36 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

CIL INC ST0076 400 CANAL STREET LAWRENCE, MA 01840 DAVID MISSERVILLE 978-685-8300 MIL-A-8625 CHROMIC ACID - ALUM ANOD TYPE IB, CLASS 1 MIL-A-8625 TYIB CL1 MIL-A-8625 SULFURIC ACID - ALUM ANOD TYPE II CLASS 1 MIL-A-8625 TYII CL1 MIL-A-8625 SULFURIC ACID - ALUM ANOD TYPE II CLASS 2 MIL-A-8625 TYII CL2 MIL-A-8625 THIN SULF ACID AL ANOD TYPE IIB, CL2 MIL-A-8625 TYIIB CL2 MIL-A-8625 HARDCOAT - ALUM ANOD TYPE III, CLASS 1 MIL-A-8625 TYIII CL1 MIL-A-8625 HARDCOAT - ALUM ANOD TYPE III, CLASS 2 MIL-A-8625 TYIII CL2 ALUM CHEMICAL FILM TYPE II, CLASS 3 MIL-DTL-5541 TY2 CL3 ALUM CHEMICAL FILM TYPE II, CLASS 1A MIL-DTL-5541 TY2CL1A ALUM CHEMICAL FILM TYPE I, CLASS 3 MIL-DTL-5541 TYI CL3 ALUM CHEMICAL FILM TYPE I, CLASS 1A MIL-DTL-5541 TYICL1A CIMCON FINISHING ST0077 2406 EXECUTIVE DR GARLAND, TX 75041 QUALITY MANAGER TONY PAJOOHI 972-840-0930 CHEM PASSIVATION OF STAINLESS PARTS ASTM A967 & A380 ZINC ELECTROPLATING ASTM B633 10/26/2016 NO 10/26/2016 NO GD-OTS TIPQA Report Page 37 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

CLEVELAND BLACK OXIDE 12602 836 BROADWAY AVE. CLEVELAND, OH 44115 JAMILA MILTON 216-861-4431 x 107 BLACK OXIDE - PN 2907656 ONLY AMS 2485 2907656 9/15/2018 NO COAST PLATING, INC. 12886 128 WEST 154TH ST. GARDENA, CA 90248 KRYSTAL REDMOND 323-770-0240 HARD COAT ALUMINUM AMS 2469 ANODIZING OF ALUMINUM & ALUMINUM ALLOYS AMS 2472 PASSIVATION OF CORROSION RESISTANT STEELS AMS 2700 ANODIC COATINGS FOR ALUMINUM & ALUMINUM ALLOYS AMS-A-8625 PASSIVATION-STAINLESS STEEL AMS-QQ-P-35 CHEM PASSIVATION OF STAINLESS PARTS ASTM A967 & A380 ANODIC COATINGS FOR ALUMINUM & ALUMINUM ALLOYS MIL-A-8625 CHEMICAL CONVERSION COAT ON ALU MIL-C-5541 ALUM CHEMICAL FILM MIL-DTL-5541 LUBRICANT, SOLID FILM, HEAT CURED, CORROSION INHIBITING NA MIL-PRF-46010 GD-OTS TIPQA Report Page 38 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

COASTLINE METAL FINISHING ST0079 7061 PATTERSON DR GARDEN GROVE, CA 92841 JUAN CADENAS 714-895-9099 ELECTROLESS NICKEL PLATING MIL-C-26074 ALUM CHEMICAL FILM MIL-DTL-5541 COATING SYSTEMS, INC ST0290 90 Phoenix Ave Lowell, MA 01852-4981 CHEMICAL CONVERSION COAT ON ALU MIL-C-5541 COATING TECHNOLOGIES ST0080 21438 NORTH 7TH AVE PHOENIX, AZ 85027 SHERYL WITZKE 623-581-2648 PLATING ELECTROLESS NICKEL AMS 2404 CONVERSION/PHOSPHATE COATINGS AMS 2485 PASSIVATION OF CORROSION RESISTANT STEELS AMS 2700 ELECTROLESS NICKEL PLATING AMS-C-26074 PASSIVATION-STAINLESS STEEL AMS-QQ-P-35 PASSIVATION ASTM A380 CHEM PASSIVATION OF STAINLESS PARTS ASTM A967 & A380 Electroless Nickel - Phosphorus Coatings ASTM B733 BLACK OXIDE COAT FOR FERROUS MAT. MIL-DTL-13924D GD-OTS TIPQA Report Page 39 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

COATING TECHNOLOGIES ST0080 21438 NORTH 7TH AVE PHOENIX, AZ 85027 SHERYL WITZKE 623-581-2648 PHOSPHATE COATING MIL-DTL-16232 COLEMAN MICROWAVE ST0081 109 MOLINE ROAD EDINBURG, VA 22824 TAMMY CRAIG/Dana Braithwaite 540-984-8848 Brazing, Aluminum & Aluminum Alloys Molten Flux (Dip) AMS 2673 12/12/2017 NO COMPOUND METAL COATINGS CONAM DBA MISTRAS SERVICES DIV ST0082 6141 ATLANTIC DR UNIT 10 MISSISAUGUA, ONTARIO ST0083 2 MILLBURY ST AUBURN, MA 01501-3204 NATALIA ILIE 905-564-1859 QA MANAGER 508-832-5500 Electroless Nickel - Phosphorus Coatings ASTM B733 MAGNETIC PARTICLE INSPECTION ASTM E1444 5/26/2018 NO RADIOGRAPHIC INSPECTION ASTM E1742-00 CONSOLIDATED INDUSTRIES, INC. 6595 P.O. BOX 280 CHESHIRE, CT 06410 TOM SLAUTA, DIR QA/Bijan Azemi, QA Mgr 203-272-5371 MAGNETIC PARTICLE INSPECTION ASTM E1444 7/31/2018 YES 7/31/2018 YES Acceptance Standards for Ultrasonic Acceptance of Forged Par DRAWING 11011107 7/31/2018 YES ULTRASONIC INSPECTION MIL-STD-2154 7/31/2018 YES ALUMINUM HEAT TREAT OF RAW MATERIAL AMS 2772 HEAT TREATMENT OF ALUMINUM AND ALUMINUM ALLOYS AMS-H-6088 GD-OTS TIPQA Report Page 40 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

CONSOLIDATED INDUSTRIES, INC. 6595 P.O. BOX 280 CHESHIRE, CT 06410 TOM SLAUTA, DIR QA/Bijan Azemi, QA Mgr 203-272-5371 HEAT TREATMENT OF STEEL AMS-H-6875 HEAT TREAMENT OF TITANIUM AMS-H-81200 CONTINENTAL HEAT TREATING ST0084 10643 S. NORWALK BLVD. SANTA FE SPRING, CA 90670 DON LOWMAN 562-944-8808 HEAT TREAT OF STEEL PARTS, GENERAL REQUIREMENTS AMS 2759 HEAT TREAT CARBON & LOW ALLOY STEEL < 220 KSI AMS 2759/1 HEAT TREAT OF LOW-ALLOY STEEL PARTS > 220 KSI AMS 2759/2 HEAT TREAT PRECIPITATION HARDENING AMS 2759/3 HEAT TREATMENT MARTENISTIC CORROSION-RESISTANT STEEL PARTS AMS 2759/5 GAS NITRIDING AND HEAT TREATMENT OF LOW-ALLOY STEEL PARTS AMS 2759/6 CARBURIZING & HEAT TREAT OF CARB. GR. STEEL AMS 2759/7 HEAT TREATMENT OF STEEL AMS-H-6875 HEAT TREATMENT OF STEEL CLASS A AMS-H-6875 A HEAT TREATMENT OF STEEL CLASS B AMS-H-6875 B HEAT TREATMENT OF STEEL CLASS C AMS-H-6875 C GD-OTS TIPQA Report Page 41 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

CONTINENTAL HEAT TREATING ST0084 10643 S. NORWALK BLVD. SANTA FE SPRING, CA 90670 DON LOWMAN 562-944-8808 HEAT TREATMENT OF STEEL CLASS D AMS-H-6875 D CO-OPERATIVE PLATING CO. ST0085 271 Snelling Ave N ST PAUL, MN 55104-5327 KIM WILLIAMS 651-645-5343 ANODIC COATINGS FOR ALUMINUM & ALUMINUM ALLOYS AMS-A-8625 PASSIVATION-STAINLESS STEEL AMS-QQ-P-35 CADMIUM ELECTROPLATING AMS-QQ-P-416 ANODIC COATINGS FOR ALUMINUM & ALUMINUM ALLOYS MIL-A-8625 ALUM CHEMICAL FILM MIL-DTL-5541 COTEC ST0086 20-13,PALYONG-DONG, CHANGWON, KOREA YOUNG-CHUL CHA 82-55-295-9695 PASSIVATION OF CORROSION RESISTANT STEELS AMS 2700 ELECTROLESS NICKEL PLATING AMS-C-26074 PASSIVATION-STAINLESS STEEL AMS-QQ-P-35 ANODIC COATINGS FOR ALUMINUM & ALUMINUM ALLOYS MIL-A-8625 ELECTROLESS NICKEL PLATING MIL-C-26074 ALUM CHEMICAL FILM MIL-DTL-5541 GD-OTS TIPQA Report Page 42 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

COTEC COTEC CORP COUNTY HEAT TREAT ST0086 20-13,PALYONG-DONG, CHANGWON, KOREA ST0087 669-5 BANGI-RI SACHEON - GYEO, KOREA ST0088 32 HOWE AVE MILLBURY, MA 01527 YOUNG-CHUL CHA 82-55-295-9695 YOUNG-CHUL CHA 82-55-295-9695 CHRIS KANIA / STEVE DERY 508-865-5885 PHOSPHATE COATING MIL-DTL-16232 HEAT TREAT OF STEEL PARTS, GENERAL REQUIREMENTS AMS 2759 HEAT TREAT CARBON & LOW ALLOY STEEL < 220 KSI AMS 2759/1 8/26/2017 NO 1/14/2019 NO 1/14/2019 NO HEAT TREAT OF LOW-ALLOY STEEL PARTS > 220 KSI AMS 2759/2 1/14/2019 NO HEAT TREAT PRECIPITATION HARDENING AMS 2759/3 1/14/2019 NO HEAT TREATMENT MARTENISTIC CORROSION-RESISTANT STEEL PARTS AMS 2759/5 1/14/2019 NO CARBURIZING & HEAT TREAT OF CARB. GR. STEEL AMS 2759/7 1/14/2019 NO CP TECH ST0089 2300 COHEN ST. LAURENT MONTREAL, H4R 2N8 PIERRE DEHAMEL 514-333-0030 CHEM PASSIVATION OF STAINLESS PARTS ASTM A967 & A380 QUEBEC CPP CORPORATION (PAC FOUNDRIES- RANCHO) ST0201 11000 JERSEY BLVD RANCHO CUCAMONGA, CA 91730 ELFY MARQUEZ 909-922-6427 In-process Welding of Castings 5191378 In-process Welding of Castings A10318 GD-OTS TIPQA Report Page 43 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

CPP CORPORATION (PAC FOUNDRIES- RANCHO) ST0201 11000 JERSEY BLVD RANCHO CUCAMONGA, CA 91730 ELFY MARQUEZ 909-922-6427 MAGNETIC PARTICLE INSPECTION ASTM E1444 RADIOGRAPHIC INSPECTION ASTM E1742 ALUMINUM HEAT TREAT AMS 2771 HEAT TREATMENT OF STEEL AMS-H-6875 CPP CORPORATION- PORT HUENEME 7936 705 INDUSTRIAL AVENUE PORT HUENEME, CA 93041 TAMI TOFIGA 805-488-6451 HEAT TREAT PRECIPITATION HARDENING AMS 2759/3 HEAT TREATMENT AUSTENITIC CORROSION-RESISTANT STEEL PARTS AMS 2759/4 HEAT TREATMENT OF PARTS IN A VACUUM AMS 2769 ALUMINUM HEAT TREAT AMS 2771 HEAT TREATMENT OF ALUMINUM AND ALUMINUM ALLOYS AMS-H-6088 HEAT TREATMENT OF STEEL CLASS D AMS-H-6875 D STANDARD TESTING FOR ROCKWELL HARDNESS ASTM E18 GD-OTS TIPQA Report Page 44 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

CPP CORPORATION- PORT HUENEME 7936 705 INDUSTRIAL AVENUE PORT HUENEME, CA 93041 TAMI TOFIGA 805-488-6451 MAGNETIC PARTICLE INSPECTION ASTM E1444 RADIOGRAPHIC INSPECTION ASTM E1742-95 In-process Welding of Castings A10318 7/31/2018 YES CPP-STEEL TREATERS INC ST0245 100 FURNACE STREET ORISKANY, NY 13424 CARL BRAIT 315-736-3081 HEAT TREAT OF STEEL PARTS, GENERAL REQUIREMENTS AMS 2759 HEAT TREAT CARBON & LOW ALLOY STEEL < 220 KSI AMS 2759/1 HEAT TREAT OF LOW-ALLOY STEEL PARTS > 220 KSI AMS 2759/2 HEAT TREAT PRECIPITATION HARDENING AMS 2759/3 HEAT TREATMENT MARTENISTIC CORROSION-RESISTANT STEEL PARTS AMS 2759/5 HEAT TREATMENT OF STEEL AMS-H-6875 HEAT TREATMENT OF STEEL CLASS A AMS-H-6875 A HEAT TREATMENT OF STEEL CLASS B AMS-H-6875 B HEAT TREATMENT OF STEEL CLASS C AMS-H-6875 C HEAT TREATMENT OF STEEL CLASS D AMS-H-6875 D GD-OTS TIPQA Report Page 45 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

CURTISS-WRIGHT SURFACE TECHNOLOGIES (FKA METAL IMPROVEMENT CO) ST0166 P.O. BOX 487-145 ADDISON RD. WINDSOR, CT 06095 TAMMY NAEGELEN 860-688-6201 SHOT PEENING MIL-S-13165 CUSTOM COATING INC ST0090 1937 JACOB ST AUBURN, IN 46706 QUALITY MANAGER 260-925-0623 ALUM CHEMICAL FILM MIL-DTL-5541 10/22/2017 NO DANKO ARLINGTON, INC. 6915 4800 E. WABASH AVENUE BALTIMORE, MD 21215 ROBERT HARTING, QM 410-664-8930 X11 In-process Welding of Castings A10318 ALUMINUM HEAT TREAT AMS 2771 8/13/2018 NO 4/27/2019 NO -99 4/27/2019 NO RADIOGRAPHIC INSPECTION ASTM E1742-00 4/26/2019 NO DAN-S CERTIFIED WELDING SERVICES ST0091 9830 EVEREST STREET DOWNEY, CA 90247 JENNIFER JARAMILLO 562-803-1554 FUSION WELDING MIL-STD-2219 FUSION 3/24/2019 NO DCI Aerotech, Div of Detroit Chrome Inc. ST0282 7515 Lyndon Avenue Detroit, MI 48238 PHOSPHATE COATING MIL-DTL-16232 MAGNETIC PARTICLE INSPECTION ASTM E1444 DENISON INDUSTRIES 6531 22 FIELDER STREET DENISON, TX 75020 RANDY HOOD / David Morton 903-786-6602 ALUMINUM HEAT TREAT AMS 2771 GD-OTS TIPQA Report Page 46 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

DENISON INDUSTRIES 6531 22 FIELDER STREET DENISON, TX 75020 RANDY HOOD / David Morton 903-786-6602 RADIOGRAPHIC INSPECTION ASTM E1742-00 DUCOMMUN LABARGE TECHNOLOGIES DURKEE TESTING LABORATORY 662 P.O. BOX 1259 HUNTSVILLE, AR 72740 352 15700 TEXACO STREET PARAMOUNT, CA 90723 MARILYN PITTS, QMGR/Janice Cotton, Ext 244 479-738-2191, EXT 300 PAULA GREENOUGH 562 531-7111 ELECTROSTATIC DISCHARGE CONTROL ANSI/ESD S20.20 Counterfeit Risk Assessment COUNTERFEIT Salt Spray (Fog) ASTM B117 9/17/2016 NO 11/11/2016 NO 10/30/2016 YES DYNACHROME ST0093 50 PARKER ST NEWBURYPORT, MA 01950 DAVID FERRAIRO, SR 978-499-8950 CHROMIUM ELECTROPLATING QQ-C-320 Dynamic Metals LLC ST0295 54347 Highland Blvd. Elkhart, IN 46514 Dave Ironside 574-295-5525 Ground Combat Vehicle Welding Code 12479550 FUSION WELDING MIL-STD-2219 FUSION 4/30/2017 NO E/M COATING SERVICES CORP ST0094 DIV OF METAL IMPROVEMENT COMPANY NEW BRIGHTON, MN 55112 STEVE STELTER 651-780-3202 PASSIVATION-STAINLESS STEEL AMS-QQ-P-35 3/21/2019 NO East Carolina Metal Treating, Inc. ST0292 1117 Capital Blvd. Raleigh, NC 27603 Abdul Admani, Quality Director 919-834-2100 HEAT TREAT CARBON & LOW ALLOY STEEL < 220 KSI AMS 2759/1 HEAT TREAT OF LOW-ALLOY STEEL PARTS > 220 KSI AMS 2759/2 HEAT TREAT PRECIPITATION HARDENING AMS 2759/3 GD-OTS TIPQA Report Page 47 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

East Carolina Metal Treating, Inc. ST0292 1117 Capital Blvd. Raleigh, NC 27603 Abdul Admani, Quality Director 919-834-2100 HEAT TREATMENT AUSTENITIC CORROSION-RESISTANT STEEL PARTS AMS 2759/4 HEAT TREATMENT MARTENISTIC CORROSION-RESISTANT STEEL PARTS AMS 2759/5 GAS NITRIDING AND HEAT TREATMENT OF LOW-ALLOY STEEL PARTS AMS 2759/6 CARBURIZING & HEAT TREAT OF CARB. GR. STEEL AMS 2759/7 HEAT TREAT AMS 2759/9 EBTEC CORP ST0095 120 SHOEMAKER LANE AGAWAM, MA 01001 QA MANAGER 413-786-0393 ELECTRON BEAM WELDING AMS 2681A ELCON PRECISION LLC. ST0294 1009 Timothy Drive San Jose, CA 95133 Sylvester Nichols 402-292-7800 FURNACE BRAZING OF 402737 AWS C3.M/C3.6:2008 7/19/2019 NO ELECTROPLATING INDUSTRIES (EPI) ST0096 21410 CARLO DR CLINTON TOWNS, MI 48038-1512 COLLEEN KLEIN 586-469-2390 CHEM PASSIVATION OF STAINLESS PARTS ASTM A967 & A380 5/27/2018 NO ELEMENT CHARLOTTE 13034 1200 WESTINGHOUSE BLVD., SUITE A CHARLOTTE, NC 28273-6313 JIM HARLUKOWICZ 704-705-1768 MAGNETIC PARTICLE INSPECTION ASTM E1444 3/22/2019 NO ELEMENT HUNTINGTON BEACH 1159 15062 BOLSA CHICA HUNTINGTON BEACH, CA 92649 714-892-1961 Standard Test Methods/Tension Testing of Metallic Matlerials ASTM E8 GD-OTS TIPQA Report Page 48 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

ELEMENT MATERIALS TESTING TECHNOLOGY ST0097 18100 SO. WILMINGTON AVE. RANCHO DOMINGUEZ, CA 90220 MIKE CAMPBELL / MARK 310-632-8500 Standard Practice for Ultrasonic Insp of Aluminum-Alloy Prod ASTM B594 MAGNETIC PARTICLE INSPECTION ASTM E1444 RADIOGRAPHIC INSPECTION ASTM E1742-00 PASSIVATION OF CORROSION RESISTANT STEELS AMS 2700 PASSIVATION-STAINLESS STEEL AMS-QQ-P-35 PASSIVATION ASTM A380 CHEMICAL PASSIVATION OF STAINLESS STEEL PARTS ASTM A967 ELLWOOD TEXAS FORGE NAVASOTA 7086 10908 COUNTY ROAD 419 NAVASOTA, TX 77868 JOHNNY WISNOSKI 936-870-9022 MAGNETIC PARTICLE INSPECTION ASTM E1444 6/8/2018 NO ELMIRA HEAT TREAT ST0098 407 SOUTH KINYON STREET ELMIRA, NY 14904 QA MANAGER 607-734-1577 AMS 2750C Heat Treat AMS 2750C HEAT TREATMENT OF STEEL AMS-H-6875 10/16/2016 NO 10/16/2016 NO EMPIRE COATING INC ST0101 215 WEST AVENUE ALBION, NY 14411 WESLEY H. MILLER 585 589-6842 ALUM CHEMICAL FILM MIL-DTL-5541 4/13/2019 NO GD-OTS TIPQA Report Page 49 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

ENDICOTT PRECISION INC. 2081 1328-30 CAMPVILLE ROAD ENDICOTT, NY 13760 BEN TAYLOR 607-321-6179 AWS D1.6 - D17.1 SS STRUCTURAL WELDING A10458 AWS D1.6 - D1 SPECIFICATIONS FOR WELDING, ALUMINUM, and ALUMINUM ALLOY MIL-W-22248A 7/21/2017 NO 7/22/2017 NO AWS D1.6 - D17.1 SS STRUCTURAL WELDING A10458 AWS D1.6 - D1 7/21/2017 NO RESISTANCE WELDING, SPOT AND SEAM AMS-W-6858 RES WELD 6/11/2018 NO FERCO TECH CORPORATION FLAME TREATING & ENG CO 11767 PO BOX 607 FRANKLIN, OH 45005 45005 ST0102 702 OAKWOOD AVE WEST HARTFORD, CT 06110 DENNY MATHESON 937-746-6696 IGOR FERDMAN 860-953-3519 GD-OTS Induction & Flame Hardening Reqmts G02.797 SURFACE HARDENING: FLAME & INDUCTION HARDENING MIL-S-12515C 10/12/2018 NO 1/27/2019 NO FM CALLAHAN ST0103 22 SHARON STREET MALDEN, MA 02148 KEVIN REYNOLDS 781-324-5101 PLATING ELECTROLESS NICKEL AMS 2404 COPPER ELECTROPLATING AMS 2418 NICKEL PLATE AMS-QQ-N-290 PASSIVATION-STAINLESS STEEL AMS-QQ-P-35 ELECTRODEPOSITED SILVER ASTM B700 GD-OTS TIPQA Report Page 50 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

FM CALLAHAN ST0103 22 SHARON STREET MALDEN, MA 02148 KEVIN REYNOLDS 781-324-5101 MIL-A-8625 SULFURIC ACID - ALUM ANOD TYPE II CLASS 1 MIL-A-8625 TYII CL1 MIL-A-8625 SULFURIC ACID - ALUM ANOD TYPE II CLASS 2 MIL-A-8625 TYII CL2 ELECTROLESS NICKEL PLATING MIL-C-26074 ALUM CHEMICAL FILM TYPE I MIL-DTL-5541 TYI ALUM CHEMICAL FILM TYPE II MIL-DTL-5541 TYII FORT WAYNE ANODIZING ST0104 2535 WAYNE TRACE FORT WAYNE, IN 46803 ED WOODWARD 260 424-1030 MIL-A-8625 SULFURIC ACID - ALUM ANOD TYPE II CLASS 1 MIL-A-8625 TYII CL1 MIL-A-8625 SULFURIC ACID - ALUM ANOD TYPE II CLASS 2 MIL-A-8625 TYII CL2 10/10/2017 NO 10/10/2017 NO MIL-A-8625 HARDCOAT - ALUM ANOD TYPE III, CLASS 1 MIL-A-8625 TYIII CL1 10/10/2017 NO MIL-A-8625 HARDCOAT - ALUM ANOD TYPE III, CLASS 2 MIL-A-8625 TYIII CL2 10/10/2017 NO MIL-A-8625 SULFURIC ACID - ALUM ANOD TYPE II CLASS 1 MIL-A-8625 TYII CL1 9/30/2017 NO MIL-A-8625 SULFURIC ACID - ALUM ANOD TYPE II CLASS 2 MIL-A-8625 TYII CL2 9/30/2017 NO MIL-A-8625 HARDCOAT - ALUM ANOD TYPE III, CLASS 1 MIL-A-8625 TYIII CL1 9/30/2017 NO MIL-A-8625 HARDCOAT - ALUM ANOD TYPE III, CLASS 2 MIL-A-8625 TYIII CL2 9/30/2017 NO GD-OTS TIPQA Report Page 51 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

FORT WAYNE ANODIZING ST0104 2535 WAYNE TRACE FORT WAYNE, IN 46803 ED WOODWARD 260 424-1030 MIL-A-8625 SULFURIC ACID - ALUM ANOD TYPE II CLASS 1 MIL-A-8625 TYII CL1 MIL-A-8625 SULFURIC ACID - ALUM ANOD TYPE II CLASS 2 MIL-A-8625 TYII CL2 10/10/2017 NO 10/10/2017 NO MIL-A-8625 HARDCOAT - ALUM ANOD TYPE III, CLASS 1 MIL-A-8625 TYIII CL1 10/10/2017 NO MIL-A-8625 HARDCOAT - ALUM ANOD TYPE III, CLASS 2 MIL-A-8625 TYIII CL2 10/10/2017 NO FOUNTAIN PLATING CO ST0105 492 PROSPECT AVENUE W SPRINGFIELD, MA 01089 DAVE MICHAUD, QUALITY MGR 413-781-4651 Gov Approved for M2 & MK19 Contracts MIL-DTL-16232 Phosphate MIL-DTL-16232 - M2 4/30/2018 NO PLATING ELECTROLESS NICKEL AMS 2404 Chromium Coating, Thin, Hard, Dense Deposit AMS 2406 CONVERSION/PHOSPHATE COATINGS AMS 2485 CONVERSION COATING TITANIUM AMS 2486 Anodizing Titanium and Titanium Alloys Solution ph 13 or > AMS 2488 PASSIVATION OF CORROSION RESISTANT STEELS AMS 2700 ANODIC COATINGS FOR ALUMINUM & ALUMINUM ALLOYS AMS-A-8625 CHROMIUM PLATING AMS-QQ-C-320 GD-OTS TIPQA Report Page 52 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

FOUNTAIN PLATING CO ST0105 492 PROSPECT AVENUE W SPRINGFIELD, MA 01089 DAVE MICHAUD, QUALITY MGR 413-781-4651 PASSIVATION-STAINLESS STEEL AMS-QQ-P-35 CADMIUM ELECTROPLATING AMS-QQ-P-416 Electroless Nickel - Phosphorus Coatings ASTM B733 Standard Guide for Prep of Metal Surfaces for Adhesive Bond ASTM D2651 PHOSPHORIC ACID ANODIZING ASTM D3933-98 ANODIC COATINGS FOR ALUMINUM & ALUMINUM ALLOYS MIL-A-8625 CLASS 1, BLACK OXIDE MIL-DTL-13924 PHOSPHATE COATING MIL-DTL-16232 ALUM CHEMICAL FILM MIL-DTL-5541 FPM HEAT TREATING ST0106 1501 S LIVELY BLVD ELK GROVE VILLA, IL 60007 DOUGLAS GRAHAM 847-228-2525 HEAT TREAT OF STEEL PARTS, GENERAL REQUIREMENTS AMS 2759 HEAT TREAT PRECIPITATION HARDENING AMS 2759/3 HEAT TREATMENT OF STEEL AMS-H-6875 GD-OTS TIPQA Report Page 53 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

FREEDOM METAL FINISHING ST0107 FORMERLY DIXIE PLATING CLEARWATER, FL 34620 QA MANAGER 727-573-2464 PLATING ELECTROLESS NICKEL AMS 2404 ELECTROLESS NICKEL PLATING AMS-C-26074 PASSIVATION-STAINLESS STEEL AMS-QQ-P-35 CHEM PASSIVATION OF STAINLESS PARTS ASTM A967 & A380 ANODIC COATINGS FOR ALUMINUM & ALUMINUM ALLOYS MIL-A-8625 NICKEL ELECTROPLATING QQ-N-290 PASSIVATION-STAINLESS STEEL QQ-P-35 CADMIUM ELECTROPLATING QQ-P-416 G COTTER ENTERPRISES ST0108 48 BROWN AVE SPRINGFIELD, NJ 07081-2902 JERRY HUBB 473-376-5937 MAGNETIC PARTICLE INSPECTION ASTM E1444 G W LISK CO., INC. 6952 2 SOUTH STREET CLIFTON SPRINGS, NY 14432 JOE MROZ, QA MANAGER 315-462-2611 PLATING ELECTROLESS NICKEL CLASS 1 AMS 2404 CLASS 1 PLATING ELECTROLESS NICKEL CLASS 2 AMS 2404 CLASS 2 PASSIVATION-STAINLESS STEEL AMS-QQ-P-35 GD-OTS TIPQA Report Page 54 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

GALVAIR SRL ST0109 VIA T. EDISON 10 BARBERINO DEL MUGELLO, 50031 ITALY GIUSEPPE RIVA 011-39-558-420198 PLATING ELECTROLESS NICKEL AMS 2404 ELECTRODEPOSITED SILVER ASTM B700 GENERAL MAGNAPLATE CORP. ST0112 1331 U.S. ROUTE 1 LINDEN, NJ 07036-6496 JEFF KEITH 908-862-6200 AGS PRETREATMENT COATINGS BFD319019 4/30/2017 NO GENERAL METAL HEAT TREAT ST0113 941 ADDISON ROAD CLEVELAND, OH 44103-1609 DEBORAH DOUGHERTY 216-391-0886 HEAT TREAT OF STEEL PARTS, GENERAL REQUIREMENTS AMS 2759 HEAT TREAT CARBON & LOW ALLOY STEEL < 220 KSI AMS 2759/1 HEAT TREAT OF LOW-ALLOY STEEL PARTS > 220 KSI AMS 2759/2 HEAT TREAT PRECIPITATION HARDENING AMS 2759/3 HEAT TREATMENT MARTENISTIC CORROSION-RESISTANT STEEL PARTS AMS 2759/5 GENERAL TOOL COMPANY 469 101 LANDY LANE CINCINNATI, OH 45215-3495 JIM STEWART, QMGR / BRAD BOWER 513-733-5500 TORCH BRAZING AWS C3.4 GAS TUNGSTEN ARC WELDING MIL-STD-2219 FLUX CORED ARC WELDING MIL-STD-2219 FLUX GD-OTS TIPQA Report Page 55 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

GENERAL TOOL COMPANY 469 101 LANDY LANE CINCINNATI, OH 45215-3495 JIM STEWART, QMGR / BRAD BOWER 513-733-5500 GAS METAL ARC WELDING MIL-STD-2219 METAL AWS D1.2 ALUMINUM STRUCTURAL WELDING A10458 AWS D1.2 AWS D1.1 - D17.1 STEEL STRUCTURAL WELDING A10458 AWS D1.1 - D1 AWS D1.6 - D17.1 SS STRUCTURAL WELDING A10458 AWS D1.6 - D1 WELDING FOR AEROSPACE A10458 AWS D17.1 PASSIVATION OF CORROSION RESISTANT STEELS AMS 2700 Paint Drawing (DDG-1000) BFD319020 (REV F) 7/31/2017 NO PASSIVATION-STAINLESS STEEL QQ-P-35 7/31/2017 NO GEORGE INDUSTRIES, INC. 7741 1 SOUTH PAGE AVENUE ENDICOTT, NY 13760-4695 AL CONEY 607-748-3371 FURNACE BRAZING MIL-B-7883 TYPE II DIP BRAZING MIL-B-7883 TYPE V 4/18/2019 NO 4/18/2019 NO ALUM CHEMICAL FILM TYPE I MIL-DTL-5541 TYI 4/18/2019 NO ALUM CHEMICAL FILM TYPE II MIL-DTL-5541 TYII 4/18/2019 NO SPECIFICATIONS FOR WELDING, ALUMINUM, and ALUMINUM ALLOY MIL-W-22248A 7/21/2018 NO GD-OTS TIPQA Report Page 56 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

GEORGE INDUSTRIES, INC. 7741 1 SOUTH PAGE AVENUE ENDICOTT, NY 13760-4695 AL CONEY 607-748-3371 WELDING ALUM & MAG ALLOYS GP 1, CL A AMS-W-6858 GR1 CLA WELDING ALUM & MAG ALLOYS GP 1, CL C AMS-W-6858 GR1 CLC 7/21/2018 NO 7/21/2018 NO WELDING ALUM & MAG ALLOYS GP 2, CL A AMS-W-6858 GR2 CLA 7/21/2018 NO GSP COATINGS INC ST0115 101 JOHN SEITZ DR BRATTLEBORO, VT 05301 QUALITY MANAGER 802-257-5858 HARD COAT ALUMINUM AMS 2469 ANODIZING OF ALUMINUM & ALUMINUM ALLOYS AMS 2472 CONVERSION/PHOSPHATE COATINGS AMS 2473 PASSIVATION OF CORROSION RESISTANT STEELS AMS 2700 CHEM PASSIVATION OF STAINLESS PARTS ASTM A967 & A380 ANODIC COATINGS FOR ALUMINUM & ALUMINUM ALLOYS MIL-A-8625 ALUM CHEMICAL FILM MIL-DTL-5541 HANSEN AEROSPACE ST0117 DANVERS INDUSTRIAL PARK DANVERS, MA 01923 HARRY HANSEN 978-774-2873 MAGNETIC PARTICLE INSPECTION ASTM E1444 ULTRASONIC INSPECTION MIL-STD-2154 GD-OTS TIPQA Report Page 57 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

HANSEN BALK ST0118 1230 MONROE AVE NORTHWEST GRAND RAPIDS, MI 49505-4690 QUALITY MANAGER 616-458-1414 HEAT TREAT OF STEEL PARTS, GENERAL REQUIREMENTS AMS 2759 HAR-CONN PLATING ST0119 603-NEW PARK AVE. WEST HARTFORD, CT 06110 DANIAL BACKUS 860-236-6801 PASSIVATION OF CORROSION RESISTANT STEELS AMS 2700 PASSIVATION-STAINLESS STEEL AMS-QQ-P-35 ANODIC COATINGS FOR ALUMINUM & ALUMINUM ALLOYS MIL-A-8625 MIL-A-8625 CHROMIC ACID - ALUM ANOD TYPE I, CLASS 1 MIL-A-8625 TYI CL1 MIL-A-8625 CHROMIC ACID - ALUM ANOD TYPE I, CLASS 2 MIL-A-8625 TYI CL2 MIL-A-8625 CHROMIC ACID - ALUM ANOD TYPE IB, CLASS 1 MIL-A-8625 TYIB CL1 ELECTROLESS NICKEL PLATING CLASS 1 MIL-C-26074 CL1 ELECTROLESS NICKEL PLATING CLASS 2 MIL-C-26074 CL2 ELECTROLESS NICKEL PLATING CLASS 3 MIL-C-26074 CL3 ELECTROLESS NICKEL PLATING CLASS 4 MIL-C-26074 CL4 PHOSPHATE COATING MIL-DTL-16232 GD-OTS TIPQA Report Page 58 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

HAR-CONN PLATING ST0119 603-NEW PARK AVE. WEST HARTFORD, CT 06110 DANIAL BACKUS 860-236-6801 ALUM CHEMICAL FILM MIL-DTL-5541 ALUM CHEMICAL FILM TYPE II MIL-DTL-5541 TYII QQ-N-290 NICKEL ELECTROPLATING CLASS 2 QQ-N-290 CL2 CADMIUM ELECTROPLATING QQ-P-416 QQ-S-365 SILVER ELECTROPLATING TYPE I, GRADE A QQ-S-365 TYI GRDA QQ-S-365 SILVER ELECTROPLATING TYPE I, GRADE B QQ-S-365 TYI GRDB QQ-S-365 SILVER ELECTROPLATING TYPE II, GRADE A QQ-S-365 TYII GRDA QQ-S-365 SILVER ELECTROPLATING TYPE II, GRADE B QQ-S-365 TYII GRDB SILVER ELECTROPLATING TYPE III, GRADE A QQ-S-365 TYIII GRDA SILVER ELECTROPLATING TYPE III, GRADE B QQ-S-365 TYIII GRDB HERCULES HEAT TREATING CORP. ST0124 101-113 CLASSON AVE. BROOKLYN, NY 11205 ANTHONY RIZZO 718-625-1266 HEAT TREAT OF STEEL PARTS, GENERAL REQUIREMENTS AMS 2759 HEAT TREAT CARBON & LOW ALLOY STEEL < 220 KSI AMS 2759/1 HEAT TREAT OF LOW-ALLOY STEEL PARTS > 220 KSI AMS 2759/2 GD-OTS TIPQA Report Page 59 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

HERCULES HEAT TREATING CORP. ST0124 101-113 CLASSON AVE. BROOKLYN, NY 11205 ANTHONY RIZZO 718-625-1266 HEAT TREAT PRECIPITATION HARDENING AMS 2759/3 HEAT TREATMENT MARTENISTIC CORROSION-RESISTANT STEEL PARTS AMS 2759/5 HEAT TREATMENT OF STEEL AMS-H-6875 HILLOCK ANODIZING ST0125 5101 COMLY STREET PHILADELPHIA, PA 19135 JOE HILLOCK 215-535-8090 HARD COAT ALUMINUM AMS 2469 ANODIC COATINGS FOR ALUMINUM & ALUMINUM ALLOYS AMS-A-8625 7/31/2018 YES 7/31/2018 YES MIL-A-8625 CHROMIC ACID - ALUM ANOD TYPE I, CLASS 1 MIL-A-8625 TYI CL1 7/31/2018 YES MIL-A-8625 CHROMIC ACID - ALUM ANOD TYPE I, CLASS 2 MIL-A-8625 TYI CL2 7/31/2018 YES MIL-A-8625 CHROMIC ACID - ALUM ANOD TYPE IB, CLASS 1 MIL-A-8625 TYIB CL1 7/31/2018 YES MIL-A-8625 CHROMIC ACID - ALUM ANOD TYPE IB, CLASS 2 MIL-A-8625 TYIB CL2 7/31/2018 YES MIL-A-8625 SULFURIC ACID - ALUM ANOD TYPE II CLASS 1 MIL-A-8625 TYII CL1 7/31/2018 YES MIL-A-8625 SULFURIC ACID - ALUM ANOD TYPE II CLASS 2 MIL-A-8625 TYII CL2 7/31/2018 YES MIL-A-8625 HARDCOAT - ALUM ANOD TYPE III, CLASS 1 MIL-A-8625 TYIII CL1 7/31/2018 YES MIL-A-8625 HARDCOAT - ALUM ANOD TYPE III, CLASS 2 MIL-A-8625 TYIII CL2 7/31/2018 YES GD-OTS TIPQA Report Page 60 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

HILLOCK ANODIZING ST0125 5101 COMLY STREET PHILADELPHIA, PA 19135 JOE HILLOCK 215-535-8090 CHEMICAL CONVERSION COAT ON ALU MIL-C-5541 ALUM CHEMICAL FILM MIL-DTL-5541 7/31/2018 YES 7/31/2018 YES HITCHINER MFG CO., INC. 7668 5 Scarborough Lane Milford, NH 03055 Veronica Durin 603-732-1531 RADIOGRAPHIC INSPECTION ASTM E1742-95 In-process Welding of Castings A10318 HIXSON METAL FINISHING HOHMAN PLATING & MFG. ST0126 829 PRODUCTION PLACE NEWPORT BEACH, CA 92663 ST0127 814 HILLROSE AVENUE DAYTON, OH 45404 QUALITY MANAGER PASSIVATION-STAINLESS STEEL AMS-QQ-P-35 JACK MAHER, QM / JANIE FAIRLEY,QC 937-228-2191 MAGNETIC PARTICLE INSPECTION ASTM E1444 Manganese Phosphate BFD319019E - 2.1.1B Solid Film Lubricant BFD319019E - 2.1.1N 10/21/2016 NO 10/21/2016 NO PLATING ELECTROLESS NICKEL AMS 2404 PASSIVATION OF CORROSION RESISTANT STEELS AMS 2700 CHEM PASSIVATION OF STAINLESS PARTS ASTM A967 & A380 ZINC ELECTROPLATING TYPE I ASTM B633 TYPE I GD-OTS TIPQA Report Page 61 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

HOHMAN PLATING & MFG. ST0127 814 HILLROSE AVENUE DAYTON, OH 45404 JACK MAHER, QM / JANIE FAIRLEY,QC 937-228-2191 ZINC ELECTROPLATING TYPE II ASTM B633 TYPE II ZINC ELECTROPLATING TYPE III ASTM B633 TYPE III ZINC ELECTROPLATING TYPE IV ASTM B633 TYPE IV ZINC ELECTROPLATING TYPE V ASTM B633 TYPE V ZINC ELECTROPLATING TYPE Vl ASTM B633 TYPE VI MIL-A-8625 ANODIC FILM TYPE II CLASS 1 MIL-A-8625 ANOD II MIL-A-8625 CHROMIC ACID - ALUM ANOD TYPE I, CLASS 1 MIL-A-8625 TYI CL1 MIL-A-8625 CHROMIC ACID - ALUM ANOD TYPE I, CLASS 2 MIL-A-8625 TYI CL2 MIL-A-8625 CHROMIC ACID - ALUM ANOD TYPE IB, CLASS 1 MIL-A-8625 TYIB CL1 MIL-A-8625 CHROMIC ACID - ALUM ANOD TYPE IB, CLASS 2 MIL-A-8625 TYIB CL2 MIL-A-8625 SULFURIC ACID - ALUM ANOD TYPE II CLASS 1 MIL-A-8625 TYII CL1 MIL-A-8625 SULFURIC ACID - ALUM ANOD TYPE II CLASS 2 MIL-A-8625 TYII CL2 MIL-A-8625 HARDCOAT - ALUM ANOD TYPE III, CLASS 1 MIL-A-8625 TYIII CL1 GD-OTS TIPQA Report Page 62 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

HOHMAN PLATING & MFG. ST0127 814 HILLROSE AVENUE DAYTON, OH 45404 JACK MAHER, QM / JANIE FAIRLEY,QC 937-228-2191 MIL-A-8625 HARDCOAT - ALUM ANOD TYPE III, CLASS 2 MIL-A-8625 TYIII CL2 PHOSPHATE COATING MIL-DTL-16232 ALUM CHEMICAL FILM TYPE I MIL-DTL-5541 TYI ALUM CHEMICAL FILM TYPE II MIL-DTL-5541 TYII LUBRICANT, SOLID FILM, HEAT CURED, CORROSION INHIBITING NA MIL-PRF-46010 MIL-T-10727 / ASTM B339 / ASTM B545 TIN PLATING MIL-T-10727 QQ-N-290 NICKEL ELECTROPLATING CLASS 1 QQ-N-290 CL1 QQ-N-290 NICKEL ELECTROPLATING CLASS 2 QQ-N-290 CL2 CADMIUM ELECTROPLATING TYPE I QQ-P-416B TYI CADMIUM ELECTROPLATING TYPE II QQ-P-416B TYII CADMIUM ELECTROPLATING TYPE III QQ-P-416B TYIII ZINC PHOS, TYPE 1 IMMERSION DIP FOR MATERIALS LESS THAN HRC- TT-C-490 GD-OTS TIPQA Report Page 63 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

HOOSIER SPRING CO 11976 4604 SO BURNETT RD SOUTH BEND, IN 46614 Massimo Cataldo 574-291-7550 / GREGORY SUTH HEAT TREAT OF STEEL PARTS, GENERAL REQUIREMENTS AMS 2759 HEAT TREAT CARBON & LOW ALLOY STEEL < 220 KSI AMS 2759/1 HEAT TREAT PRECIPITATION HARDENING AMS 2759/3 HEAT TREATMENT OF STEEL CLASS A AMS-H-6875 A HEAT TREATMENT OF STEEL CLASS C AMS-H-6875 C HEAT TREATMENT OF STEEL CLASS D AMS-H-6875 D HEAT TREAMENT OF TITANIUM AMS-H-81200 HORIZONS IMAGING SYSTEMS GROUP ST0129 18531 S MILES RD CLEVELAND, OH 44128 ROBBIE PELLON 800-627-3917 MIL-A-8625 SULFURIC ACID - ALUM ANOD TYPE II CLASS 1 MIL-A-8625 TYII CL1 11/12/2017 NO HUDAPAK METAL HEAT TREATING ST0130 550 MITCHELL RD GLENDALE, IL 60139 KEITH KERN QA MGR 630-858-0505 HEAT TREAT CARBON & LOW ALLOY STEEL < 220 KSI AMS 2759/1 6/11/2018 NO HYDRO HONING LABORATORIES, INC ST0131 8 EASTERN PARK ROAD EAST HARTFORD, CT 06108 WALTER BEACH JR 860 289-4328 SHOT PEENING AMS 2430 SHOT PEENING MIL-S-13165 IMAGINEERING FINISHING TECH ST0132 1302 W. SAMPLE ST SOUTH BEND, IN 46619 SCOT SINGER 800 207-2516 GD-OTS TIPQA Report Page 64 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

IMAGINEERING FINISHING TECH ST0132 1302 W. SAMPLE ST SOUTH BEND, IN 46619 SCOT SINGER 800 207-2516 MAGNETIC PARTICLE INSPECTION ASTM E1444 Gov Approved for M2 & MK19 Contracts MIL-DTL-16232 Phosphate MIL-DTL-16232 - M2 4/30/2017 NO PASSIVATION OF CORROSION RESISTANT STEELS AMS 2700 PHOSPHATE COATING MIL-DTL-16232 IMT YORK LLC INCERTEC ST0133 1688 FAIRHOPE ROAD YORK, SC 29745 ST0134 160-83RD AVE. N.E. SUITE 105 MINNEAPOLIS, MN 55432 SC 29745 803 684-2548 LEE TILKES 763-717-7016 HEAT TREAT PRECIPITATION HARDENING AMS 2759/3 ZINC PHOS, TYPE 1 IMMERSION DIP FOR MATERIALS LESS THAN HRC- TT-C-490 COPPER ELECTROPLATING AMS 2418 PASSIVATION OF CORROSION RESISTANT STEELS AMS 2700 5/5/2018 NO 6/2/2018 NO CHEM PASSIVATION OF STAINLESS PARTS ASTM A967 & A380 ELECTRODEPOSITED GOLD ASTM B488-1 MIL-A-8625 SULFURIC ACID - ALUM ANOD TYPE II CLASS 1 MIL-A-8625 TYII CL1 MIL-A-8625 SULFURIC ACID - ALUM ANOD TYPE II CLASS 2 MIL-A-8625 TYII CL2 MIL-A-8625 HARDCOAT - ALUM ANOD TYPE III, CLASS 1 MIL-A-8625 TYIII CL1 GD-OTS TIPQA Report Page 65 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

INCERTEC ST0134 160-83RD AVE. N.E. SUITE 105 MINNEAPOLIS, MN 55432 LEE TILKES 763-717-7016 MIL-A-8625 HARDCOAT - ALUM ANOD TYPE III, CLASS 2 MIL-A-8625 TYIII CL2 ELECTROLESS NICKEL PLATING MIL-C-26074 ALUM CHEMICAL FILM TYPE I MIL-DTL-5541 TYI ALUM CHEMICAL FILM TYPE II MIL-DTL-5541 TYII GOLD ELECTROPLATING MIL-G-45204 MIL-T-10727 / ASTM B339 / ASTM B545 TIN PLATING MIL-T-10727 NICKEL ELECTROPLATING QQ-N-290 INDUSTRIAL ANODIZE ST0137 1610 W. WASHINGTON ST INDIANAPOLIS, IN 46222 J.W. CRISP 317-637-4641 MIL-A-8625 SULFURIC ACID - ALUM ANOD TYPE II CLASS 1 MIL-A-8625 TYII CL1 MIL-A-8625 SULFURIC ACID - ALUM ANOD TYPE II CLASS 2 MIL-A-8625 TYII CL2 6/1/2018 NO 6/1/2018 NO ALUM CHEMICAL FILM TYPE I MIL-DTL-5541 TYI 6/1/2018 NO ALUM CHEMICAL FILM TYPE II MIL-DTL-5541 TYII 6/1/2018 NO INDUSTRIAL PLATING CO. ST0139 120N 36TH ST LAFAYETTE, IN 47905 TONY LESTON 765-447-5036 ELECTRODEPOSIT COATING OF TIN ASTM B 545-97 1/27/2019 NO GD-OTS TIPQA Report Page 66 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

INTERNATIONAL BEAM WELD ST0140 63 DOTY CIRCLE WEST SPRINGFIELD, MA 01089 BEVERLY MACFADDEN 413-781-4368 ELECTRON BEAM WELDING AMS 2681A IRONBOUND HEAT TREATING ST0142 304 COX ST ROSELLE, NJ 07203-1704 MICHAEL GERSHKOVICH 908-245-0717 HEAT TREAT OF STEEL PARTS, GENERAL REQUIREMENTS AMS 2759 HEAT TREAT CARBON & LOW ALLOY STEEL < 220 KSI AMS 2759/1 6/11/2018 NO 6/11/2018 NO HEAT TREAT OF LOW-ALLOY STEEL PARTS > 220 KSI AMS 2759/2 6/11/2018 NO HEAT TREAT PRECIPITATION HARDENING AMS 2759/3 6/11/2018 NO CARBURIZING & HEAT TREAT OF CARB. GR. STEEL AMS 2759/7 6/11/2018 NO HEAT TREATMENT OF STEEL AMS-H-6875 6/11/2018 NO J KITTREDGE & SONS INC ST0143 18 BONAZZOLI AVENUE HUDSON, MA 01749 PAUL COCCIA 978-567-0998 Brazing, Aluminum & Aluminum Alloys Molten Flux (Dip) AMS 2673 9/15/2016 NO J P CERINI TECHNOLOGIES ST0144 4600 NORTH FAIRHILL ST PHILADELPHIA, PA 19140 FRED MARINELLI 215-457-7337 Gov Approved for M2 & MK19 Contracts MIL-DTL-16232 Phosphate MIL-DTL-16232 - M2 2/9/2019 NO TYPE M OR Z, CLASS 1, PHOSPHATE COATING MIL-DTL-16232 CL1 12/2/2017 NO TYPE M OR Z, CLASS 2, PHOSPHATE COATING MIL-DTL-16232 CL2 12/2/2017 NO TYPE M OR Z, CLASS 3, PHOSPHATE COATING MIL-DTL-16232 CL3 12/2/2017 NO GD-OTS TIPQA Report Page 67 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

J P CERINI TECHNOLOGIES ST0144 4600 NORTH FAIRHILL ST PHILADELPHIA, PA 19140 FRED MARINELLI 215-457-7337 TYPE M OR Z, CLASS 4, PHOSPHATE COATING MIL-DTL-16232 CL4 12/2/2017 NO JA REINHARDT & CO INC ST0145 PO BOX 202 MOUNTAIN HOME, PA 18342 BRETT QUEIPO, QUALITY MGR. 570-595-7491 DIP BRAZING MIL-B-7883 TYPE V ALUM CHEMICAL FILM TYPE I MIL-DTL-5541 TYI 1/11/2019 NO 1/11/2019 NO ALUM CHEMICAL FILM TYPE II MIL-DTL-5541 TYII 1/11/2019 NO JASCO HEAT TREATING ST0275 75 Macedon Center Rd Fairport, NY 14450 Christopher Steinhilber 585-254-7000 ext 3346 HEAT TREATMENT AUSTENITIC CORROSION-RESISTANT STEEL PARTS AMS 2759/4 10/31/2016 NO HEAT TREAT OF STEEL PARTS, GENERAL REQUIREMENTS AMS 2759 HEAT TREAT CARBON & LOW ALLOY STEEL < 220 KSI AMS 2759/1 HEAT TREAT OF LOW-ALLOY STEEL PARTS > 220 KSI AMS 2759/2 HEAT TREATMENT MARTENISTIC CORROSION-RESISTANT STEEL PARTS AMS 2759/5 JH METAL FINISHING INC ST0147 1146 E ST NEW BRITAIN, CT 06051-1619 JOHN HELENEK 860-223-6412 Gov Approved for M2 & MK19 Contracts MIL-DTL-16232 Phosphate MIL-DTL-16232 - M2 6/1/2018 NO KACHINA/Semiray Special Process Division ST0148 3027 E. WASHINGTON STREET PHOENIX, AZ 85034 HUBERT GOLDEN 602-275-1917 MAGNETIC PARTICLE INSPECTION ASTM E1444 7/31/2018 YES GD-OTS TIPQA Report Page 68 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

KAYDON CORPORATION 7704 P.O. BOX 688 MUSKEGON, MI 49443 HEAT TREAT CARBON & LOW ALLOY STEEL < 220 KSI AMS 2759/1 HEAT TREAT OF LOW-ALLOY STEEL PARTS > 220 KSI AMS 2759/2 HEAT TREAT PRECIPITATION HARDENING AMS 2759/3 HEAT TREATMENT MARTENISTIC CORROSION-RESISTANT STEEL PARTS AMS 2759/5 HEAT TREATMENT OF STEEL AMS-H-6875 KAYDON PLANT #12B ST0149 925 CORPORATE CIRCLE SUMTER, SC 29154 QUALITY MANAGER 803-481-8571 HEAT TREATMENT MARTENISTIC CORROSION-RESISTANT STEEL PARTS AMS 2759/5 KAYDON PLANT 3 ST0150 1500 NAGLE ROAD AVON, OH 44011 THOMAS KNAPP 440-871-2500 x244 MAGNETIC PARTICLE INSPECTION ASTM E1444-01 9/23/2017 NO KLINGE ENAMELING INC ST0151 5001 PROSPECT ST INDIANAPOLIS, IN 46203-2499 JERRY BUTNER 317-359-8291 CHEM PASSIVATION OF STAINLESS PARTS ASTM A967 & A380 ALUM CHEMICAL FILM MIL-DTL-5541 KOREA HEAT TREATMENT ST0152 29-2, PALYONG-DONG, KYUNGSANGNAM, KOREA KIM PAN-YUN, MANAGER 82-55-296-4881 HEAT TREAT OF STEEL PARTS, GENERAL REQUIREMENTS AMS 2759 HEAT TREAT CARBON & LOW ALLOY STEEL < 220 KSI AMS 2759/1 HEAT TREAT PRECIPITATION HARDENING AMS 2759/3 GD-OTS TIPQA Report Page 69 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

KROPP FORGE COMPANY 7342 5301 WEST ROOSEVELT ROAD CICERO, IL 60650 STEVE BORCIK / JIM BAILEY 708-652-6691 MAGNETIC PARTICLE INSPECTION ASTM E1444 L&E ENGINEERING ST0153 254 N GRAHAM RD GREENWOOD, IN 46146 GREG SANDBERG 317-884-0017 LABORATORY TESTING INC ST0154 2246 N. Penn Road Hatfield, PA 19440 MAGNETIC PARTICLE INSPECTION ASTM E1444 MAGNETIC PARTICLE INSPECTION ASTM E1444 1/31/2018 NO ST0154 2331 TOPAZ DRIVE HATFIELD, PA 19440 FRANK PESZKA 800-219-9095 ULTRASONIC INSPECTION MIL-STD-2154 Lake City Heat Treating ST0286 2427 North Boeing Rd Warsaw, IN 46582 Bill Davis HEAT TREAT OF LOW-ALLOY STEEL PARTS > 220 KSI AMS 2759/2 HEAT TREAT PRECIPITATION HARDENING AMS 2759/3 HEAT TREATMENT OF PARTS IN A VACUUM AMS 2769 LIGHT METAL PLATERS, INC. ST0156 70 CLEMATIS AVE. WALTHAM, MA 02453 PJ GAUTHIER, QA MGR. 781-899-8855 MIL-A-8625 CHROMIC ACID - ALUM ANOD TYPE I, CLASS 1 MIL-A-8625 TYI CL1 MIL-A-8625 CHROMIC ACID - ALUM ANOD TYPE I, CLASS 2 MIL-A-8625 TYI CL2 MIL-A-8625 CHROMIC ACID - ALUM ANOD TYPE IB, CLASS 1 MIL-A-8625 TYIB CL1 MIL-A-8625 CHROMIC ACID - ALUM ANOD TYPE IB, CLASS 2 MIL-A-8625 TYIB CL2 GD-OTS TIPQA Report Page 70 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

LIGHT METAL PLATERS, INC. ST0156 70 CLEMATIS AVE. WALTHAM, MA 02453 PJ GAUTHIER, QA MGR. 781-899-8855 MIL-A-8625 SULFURIC ACID - ALUM ANOD TYPE II CLASS 1 MIL-A-8625 TYII CL1 MIL-A-8625 SULFURIC ACID - ALUM ANOD TYPE II CLASS 2 MIL-A-8625 TYII CL2 MIL-A-8625 HARDCOAT - ALUM ANOD TYPE III, CLASS 1 MIL-A-8625 TYIII CL1 MIL-A-8625 HARDCOAT - ALUM ANOD TYPE III, CLASS 2 MIL-A-8625 TYIII CL2 ALUM CHEMICAL FILM MIL-DTL-5541 ALUM CHEMICAL FILM TYPE I MIL-DTL-5541 TYI ALUM CHEMICAL FILM TYPE II MIL-DTL-5541 TYII LIGHTHOUSE MFG. ST0157 35 Mirona Road Portsmouth, NH 03801 MIKE BEAN / SHAWN SMITH 978-532-5999 FUSION WELDING FOR AEROSPACE AWS-D-17.1 LYNN WELDING ST0158 75 ROCKWELL ROAD NEWINGTON, CT 06111 ED WARREN 860-667-4400 GAS TUNGSTEN ARC WELDING MIL-STD-2219 RESISTANCE WELDING, SPOT AND SEAM MIL-W-6858D WELDING FOR AEROSPACE A10458 AWS D17.1 7/31/2017 NO MAGNETIC & PENETRANT SERVICES COMPANY ST0159 8135 1ST AVE. SOUTH SEATLLE, WA 98108 RICK REESE 206-762-5855 GD-OTS TIPQA Report Page 71 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

MAGNETIC & PENETRANT SERVICES COMPANY ST0159 8135 1ST AVE. SOUTH SEATLLE, WA 98108 RICK REESE 206-762-5855 SHOT PEENING MIL-S-13165 Descaling & Cleaning Titanium & Titanium Alloy Surfaces ASTM B600 7/31/2018 YES MAGNETIC INSPECTION LABS ST0160 1401 GREEN LEAF AVE. ELK GROVE VILLA, IL 60007-5536 DON BERG 847-437-4488 PASSIVATION OF CORROSION RESISTANT STEELS AMS 2700 PASSIVATION-STAINLESS STEEL AMS-QQ-P-35 PASSIVATION ASTM A380 CHEM PASSIVATION OF STAINLESS PARTS ASTM A967 & A380 ANODIC COATINGS FOR ALUMINUM & ALUMINUM ALLOYS MIL-A-8625 PHOSPHATE COATING MIL-DTL-16232 ALUM CHEMICAL FILM TYPE I, CLASS 1A MIL-DTL-5541 TYICL1A ALUM CHEMICAL FILM TYPE II MIL-DTL-5541 TYII MAGNETIC PARTICLE INSPECTION ASTM E1444 RADIOGRAPHIC INSPECTION ASTM E1742 GD-OTS TIPQA Report Page 72 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

MAGNETIC INSPECTION LABS ST0160 1401 GREEN LEAF AVE. ELK GROVE VILLA IL, IL 60008-5536 DON BERG 847-437-4488 PASSIVATION OF CORROSION RESISTANT STEELS AMS 2700 PASSIVATION-STAINLESS STEEL AMS-QQ-P-35 PASSIVATION ASTM A380 CHEM PASSIVATION OF STAINLESS PARTS ASTM A967 & A380 ANODIC COATINGS FOR ALUMINUM & ALUMINUM ALLOYS MIL-A-8625 PHOSPHATE COATING MIL-DTL-16232 ALUM CHEMICAL FILM TYPE I, CLASS 1A MIL-DTL-5541 TYICL1A ALUM CHEMICAL FILM TYPE II MIL-DTL-5541 TYII MAGNETIC PARTICLE INSPECTION ASTM E1444 RADIOGRAPHIC INSPECTION ASTM E1742 MAGNUS HITECH INDUSTRIES INC 7721 1605 LAKE STREET MELBOURNE, FL 32901 JASON FREY 321-724- 9731 FUSION WELDING FOR AEROSPACE REQMTS MIL-STD-2219 AERO SPECIFICATIONS FOR WELDING, ALUMINUM, and ALUMINUM ALLOY MIL-W-22248A 7/9/2017 NO 8/30/2017 NO GD-OTS TIPQA Report Page 73 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

MAGNUS HITECH INDUSTRIES INC 7721 1605 LAKE STREET MELBOURNE, FL 32901 JASON FREY 321-724- 9731 TORCH BRAZING MIL-B-7883 TYPE 1 ALUM CHEMICAL FILM TYPE I, CLASS 3 MIL-DTL-5541 TYI CL3 8/17/2018 NO 8/17/2018 NO ALUM CHEMICAL FILM TYPE I, CLASS 1A MIL-DTL-5541 TYICL1A 8/17/2018 NO MARYLAND INTEGRATED SYSTEMS, INC. 7807 31545 WINTER PLACE PKWY SALISBURY, MD 21804 GLENN DELLA-RATTA 410-341-7411 IPC/EIA J-STD-001, IPC-A-610 & IPC/WHMA-A-620 IPC/EIA J-STD-001 11/19/2017 NO MASS MATERIALS RESEARCH INC 5731 1500 CENTURY DRIVE WEST BOYLSTON, MA 01583 WALTER KOJALO 508-835-6262 MAGNETIC PARTICLE INSPECTION ASTM E1444 RADIOGRAPHIC INSPECTION ASTM E1742-00 MAYNARD, INC. ST0274 7175 S. MCGUIRE ST. FAYETTEVILLE, AR 72704-5237 QUALITY MANAGER 479-443-6677 FUSION WELDING FOR AEROSPACE AWS-D-17.1 METAL FINISHING COMPANY INC. 774 701-721 E. Murdock WICHITA, KS 67214 Robert Potter 316 267-7289 PASSIVATION OF CORROSION RESISTANT STEELS AMS 2700 PASSIVATION-STAINLESS STEEL AMS-QQ-P-35 7/31/2017 NO 7/31/2017 NO PASSIVATION ASTM A380 7/31/2017 NO MIL-A-8625 CHROMIC ACID - ALUM ANOD TYPE I, CLASS 1 MIL-A-8625 TYI CL1 GD-OTS TIPQA Report Page 74 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

METAL FINISHING COMPANY INC. 774 701-721 E. Murdock WICHITA, KS 67214 Robert Potter 316 267-7289 MIL-A-8625 CHROMIC ACID - ALUM ANOD TYPE I, CLASS 2 MIL-A-8625 TYI CL2 MIL-A-8625 CHROMIC ACID - ALUM ANOD TYPE IB, CLASS 1 MIL-A-8625 TYIB CL1 MIL-A-8625 CHROMIC ACID - ALUM ANOD TYPE IB, CLASS 2 MIL-A-8625 TYIB CL2 MIL-A-8625 SULFURIC ACID - ALUM ANOD TYPE II CLASS 1 MIL-A-8625 TYII CL1 MIL-A-8625 SULFURIC ACID - ALUM ANOD TYPE II CLASS 2 MIL-A-8625 TYII CL2 MIL-A-8625 HARDCOAT - ALUM ANOD TYPE III, CLASS 1 MIL-A-8625 TYIII CL1 MIL-A-8625 HARDCOAT - ALUM ANOD TYPE III, CLASS 2 MIL-A-8625 TYIII CL2 ALUM CHEMICAL FILM MIL-DTL-5541 METAL FINISHING TECHNOLOGIES, INC ST0163 60 WOOSTER COURT FORESTVILLE, CT 06010 NIKO GIANNOPOULOS / Laura Wislocki 860-582-9517 ZINC ELECTROPLATING ASTM B633 5/26/2017 NO METAL IMPROVEMENT ST0164 210 CANDLEWOOD RD BAY SHORE, NY 11706 TARA KAVNAUGH 631-694-8770 MAGNETIC PARTICLE INSPECTION ASTM E1444 SHOT PEENING MIL-S-13165 METAL IMPROVEMENT CORP ST0167 678 W WINTHROP ADDISON, IL 60101 SIMON 630-543-4950 SHOT PEENING AMS 2430 GD-OTS TIPQA Report Page 75 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

METAL SURFACES, INC. METALLURGICAL PROCESSING INC ST0168 6060 SHULL STREET BELL GARDENS, CA 90201 ST0170 68 ARTHUR ST NEW BRITIAN, CT 06050 QUALITY MANAGER CADMIUM PLATING AMS 2400 TERRY WHITE 860-224-2648 x 442 PLATING ELECTROLESS NICKEL AMS 2404 HEAT TREAT OF STEEL PARTS, GENERAL REQUIREMENTS AMS 2759 HEAT TREAT CARBON & LOW ALLOY STEEL < 220 KSI AMS 2759/1 HEAT TREAT OF LOW-ALLOY STEEL PARTS > 220 KSI AMS 2759/2 HEAT TREAT PRECIPITATION HARDENING AMS 2759/3 HEAT TREATMENT MARTENISTIC CORROSION-RESISTANT STEEL PARTS AMS 2759/5 HEAT TREATMENT OF WROUGHT ALUMINUM ALLOY PARTS AMS 2770 HEAT TREATMENT OF STEEL AMS-H-6875 METALS TESTING CO ST0172 80 KIMBERLY DR / PO BOX 213 SO WINDSOR, CT 06074 MARK FLEMING 860-289-8225 MAGNETIC PARTICLE INSPECTION ASTM E1444 METALTEK ST0173 905 E. ST. PAUL AVE. WAUKESHA, WI 53188 TOM GARCIA 262-544-7707 GD-OTS TIPQA Report Page 76 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

METCOR CORP ST0174 560 BLVD ARTHUR SAUVE ST- EUSTACHE, J7R 5A8 QUEBEC GUANG GUO 450-473-1884 HEAT TREAT CARBON & LOW ALLOY STEEL < 220 KSI AMS 2759/1 HEAT TREAT OF LOW-ALLOY STEEL PARTS > 220 KSI AMS 2759/2 HEAT TREAT PRECIPITATION HARDENING AMS 2759/3 HEAT TREATMENT MARTENISTIC CORROSION-RESISTANT STEEL PARTS AMS 2759/5 CARBURIZING & HEAT TREAT OF CARB. GR. STEEL AMS 2759/7 HEAT TREATMENT OF STEEL AMS-H-6875 METLAB ST0175 1000 E MERMAID LANE WYNDMOOR, PA 19038 MARK PODOB - VP SALES & MKT 215-233-2600 x 232 HEAT TREATMENT OF STEEL AMS-H-6875 7/31/2018 NO MET-L-TEST LABORATORY ST0176 115 BROWNING STREET STRATFORD, CT 06497 DIANE BALDELLI 203-377-2429 MAGNETIC PARTICLE INSPECTION ASTM E1444 MID CONTINENT ENGINEERING 7356 405 35TH AVENUE NE MINNEAPOLIS, MN 55418-1126 BILL SABETT / JOE MILLER 612-781-0260 PASSIVATION OF CORROSION RESISTANT STEELS AMS 2700 FUSION WELDING FOR AEROSPACE AWS-D-17.1 6/6/2017 NO 6/6/2017 NO ALUM CHEMICAL FILM TYPE II, CLASS 3 MIL-DTL-5541 TY2 CL3 4/27/2018 NO GD-OTS TIPQA Report Page 77 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

MID CONTINENT ENGINEERING 7356 405 35TH AVENUE NE MINNEAPOLIS, MN 55418-1126 BILL SABETT / JOE MILLER 612-781-0260 ALUM CHEMICAL FILM TYPE II, CLASS 1A MIL-DTL-5541 TY2CL1A ALUM CHEMICAL FILM TYPE I, CLASS 3 MIL-DTL-5541 TYI CL3 4/27/2018 NO 4/27/2018 NO ALUM CHEMICAL FILM TYPE I, CLASS 1A MIL-DTL-5541 TYICL1A 4/27/2018 NO ALUM CHEMICAL FILM TYPE II, CLASS 3 MIL-DTL-5541 TY2 CL3 4/1/2018 NO ALUM CHEMICAL FILM TYPE II, CLASS 1A MIL-DTL-5541 TY2CL1A 4/1/2018 NO ALUM CHEMICAL FILM TYPE I, CLASS 3 MIL-DTL-5541 TYI CL3 4/1/2018 NO ALUM CHEMICAL FILM TYPE I, CLASS 1A MIL-DTL-5541 TYICL1A 4/1/2018 NO MILLER CASTINGS INC 11778 2503 PACIFIC PARK DR WHITTIER, CA 90601 FRANK BLANK 562-695-0461 In-process Welding of Castings 5191378 In-process Welding of Castings A10318 MAGNETIC PARTICLE INSPECTION ASTM E1444 RADIOGRAPHIC INSPECTION ASTM E1742-00 GD-OTS TIPQA Report Page 78 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

MIL-SPEC HEAT TREATING ST0179 5662 RESEARCH DR HUNTINGTON BEAch, CA ROY DURAM 714-843-8168 HEAT TREATMENT OF WROUGHT ALUMINUM ALLOY PARTS AMS 2770 ALUMINUM HEAT TREAT AMS 2771 3/25/2017 NO 3/25/2017 NO MIL-SPEC PAINTING ST0180 1720 H BELMONT AVE BALTIMORE, MD 21244 ANN MAHAFFEY 410-265-1019 Ph (ext. 16) ALUM CHEMICAL FILM MIL-DTL-5541 10/25/2016 NO MISTRAS GENERAL TEST & INSPECT ST0181 8427 ATLANTIC AVE CUDAHY, CA 90201 GREG BOLDUC 323-583-1653 MAGNETIC PARTICLE INSPECTION ASTM E1444 RADIOGRAPHIC INSPECTION ASTM E1742-00 PASSIVATION OF CORROSION RESISTANT STEELS AMS 2700 MISTRAS SERVICES ST0182 16F INTERNATIONAL DR EAST GRANBY, CT 06026 STEPHEN ORLUK 860-653-0077 MAGNETIC PARTICLE INSPECTION ASTM E1444 RADIOGRAPHIC INSPECTION ASTM E1742-00 MITCHELL AEROSPACE, INC. 7391 350 DECARIE BOULEVARD SAINT LAURENT, H4L 3K5 QC PATRICIA VEZINA, QA MANAGER 514-748-3447 In-process Welding of Castings A10318 HEAT TREATMENT OF WROUGHT ALUMINUM ALLOY PARTS AMS 2770 12/2/2017 NO 12/2/2017 NO GD-OTS TIPQA Report Page 79 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

MITCHELL AEROSPACE, INC. 7391 350 DECARIE BOULEVARD SAINT LAURENT, H4L 3K5 QC PATRICIA VEZINA, QA MANAGER 514-748-3447 ALUMINUM HEAT TREAT AMS 2771 12/2/2017 NO 1/23/2018 NO RADIOGRAPHIC INSPECTION ASTM E1742 1/23/2018 NO MITCHELL LABORATORIES, INC. ST0183 7707 BEQUETTE AVE. PICO RIVERA, CA 90660 RON MURPHY 562-949-6144 ULTRASONIC INSPECTION MIL-STD-2154 MODERN METAL FINISHING ST0184 110 WILLENBROCK RD. OXFORD, CT 06478 BRUNO PERIN 203-267-1510 MIL-A-8625 SULFURIC ACID - ALUM ANOD TYPE II CLASS 1 MIL-A-8625 TYII CL1 MODERN METAL PROCESSING MONOGRAM AEROSPACE FASTENERS MORRELL'S ELECTRO PLATING INC ST0185 3448 CORWIN ROAD WILLIAMSTON, MI 48895 ST0186 3423 S GARFIELD AVE LOS ANGELES, CA 90040 ST0187 432 EUCLID AVE COMPTON, CA 90223-3085 ED WESOLEK 517-655-4402 KEVIN VOLLMER 323-722-4760 HEAT TREATMENT OF WROUGHT ALUMINUM ALLOY PARTS AMS 2770 ALUMINUM HEAT TREAT AMS 2771 PASSIVATION-STAINLESS STEEL AMS-QQ-P-35 HEAT TREAT OF STEEL PARTS, GENERAL REQUIREMENTS AMS 2759 11/11/2017 NO 11/11/2017 NO QUALITY MANAGER ANODIC COATINGS FOR ALUMINUM & ALUMINUM ALLOYS MIL-A-8625 GD-OTS TIPQA Report Page 80 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

MORRELL'S ELECTRO PLATING INC ST0187 432 EUCLID AVE COMPTON, CA 90223-3085 QUALITY MANAGER ALUM CHEMICAL FILM MIL-DTL-5541 MULTIFLEX PLATING ST0189 109 WILLOWS AVENUE COLLINGDALE, PA 19029 BILL O'BRIAN 610-461-7700 PASSIVATION-STAINLESS STEEL AMS-QQ-P-35 ALUM CHEMICAL FILM MIL-DTL-5541 QQ-N-290 NICKEL ELECTROPLATING CLASS 1 QQ-N-290 CL1 QQ-N-290 NICKEL ELECTROPLATING CLASS 2 QQ-N-290 CL2 NDE, INC. ST0190 1189 MERCEDES ST. BENBROOK, TX 76126 RAY COSGROVE 817 249-4760 MAGNETIC PARTICLE INSPECTION ASTM E1444 RADIOGRAPHIC INSPECTION ASTM E1742-95 ULTRASONIC INSPECTION MIL-STD-2154 NET SHAPES, INC. 8488 1336 EAST FRANCIS STREET ONTARIO, CA 91761 EMMA ABUSABA 909 947-3231 HEAT TREAT OF STEEL PARTS, GENERAL REQUIREMENTS AMS 2759 HEAT TREAT PRECIPITATION HARDENING AMS 2759/3 HEAT TREATMENT OF STEEL AMS-H-6875 GD-OTS TIPQA Report Page 81 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

NET SHAPES, INC. 8488 1336 EAST FRANCIS STREET ONTARIO, CA 91761 EMMA ABUSABA 909 947-3231 MAGNETIC PARTICLE INSPECTION ASTM E1444 RADIOGRAPHIC INSPECTION ASTM E1742-00 NEVADA HEAT TREATING INC ST0191 12 INDUSTRIAL PARKWAY, UNIT C CARSON CITY, NV 89706 PATRICK MCKENNA 775-246-1040 HEAT TREAT OF STEEL PARTS, GENERAL REQUIREMENTS AMS 2759 HEAT TREAT CARBON & LOW ALLOY STEEL < 220 KSI AMS 2759/1 HEAT TREAT OF LOW-ALLOY STEEL PARTS > 220 KSI AMS 2759/2 HEAT TREAT PRECIPITATION HARDENING AMS 2759/3 NEW HAMPSHIRE BALL BEARING 7859 CUSTOMER SERVICE, HITECH DIV. PETERBOROUGH, NH 03458 HEAT TREATMENT MARTENISTIC CORROSION-RESISTANT STEEL PARTS AMS 2759/5 HEAT TREATMENT OF STEEL AMS-H-6875 Maria Langly 7/31/2018 YES MAGNETIC PARTICLE INSPECTION ASTM E1444 7/31/2018 YES AMS 2750C Heat Treat AMS 2750 HEAT TREAT OF LOW-ALLOY STEEL PARTS > 220 KSI AMS 2759/2 GD-OTS TIPQA Report Page 82 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

NEW HAMPSHIRE BALL BEARING 7859 CUSTOMER SERVICE, HITECH DIV. PETERBOROUGH, NH 03458 Maria Langly HEAT TREATMENT MARTENISTIC CORROSION-RESISTANT STEEL PARTS AMS 2759/5 HEAT TREATMENT OF PARTS IN A VACUUM AMS 2769 STANDARD TESTING FOR ROCKWELL HARDNESS ASTM E18 PASSIVATION OF CORROSION RESISTANT STEELS AMS 2700 CHEMICAL PASSIVATION OF STAINLESS STEEL PARTS ASTM A967 7859 Precision Division CHATSWORTH, CA 91311-4373 Luz Echavarria HEAT TREAT OF LOW-ALLOY STEEL PARTS > 220 KSI AMS 2759/2 HEAT TREATMENT MARTENISTIC CORROSION-RESISTANT STEEL PARTS AMS 2759/5 PASSIVATION OF CORROSION RESISTANT STEELS AMS 2700 PASSIVATION ASTM A380 CHEMICAL PASSIVATION OF STAINLESS STEEL PARTS ASTM A967 PASSIVATION-STAINLESS STEEL QQ-P-35 NEW METHOD PLATING ST0192 43 HAMMOND ST WORCESTER, MA 01610 QUALITY MANAGER CADMIUM ELECTROPLATING 7/31/2018 YES AMS-QQ-P-416 CADMIUM PLATE MIL-STD-171.1.2.3 7/31/2018 YES GD-OTS TIPQA Report Page 83 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

NEWTON HEAT TREATING ST0193 19235 E. WALNT DRIVE CITY OF INDUSTRY, CA 91748 IAN MUNRO 626-964-6528 HEAT TREATMENT OF WROUGHT ALUMINUM ALLOY PARTS AMS 2770 ALUMINUM HEAT TREAT AMS 2771 HEAT TREATMENT OF ALUMINUM ALLOYS MIL-H-6088G NORTHEAST COATING TECHNOLOGIES INC 5904 105 YORK ST. KENNEBUNK, ME 04043 NITRIDING, LIQUID SALT BATH, PROCESS SPEC FOR A10361 AMS 2753 NTIRIDING PER BURLINGTON VT SPEC A10437 AMS 2753 6/4/2018 NO 6/4/2018 NO NITROCARBURIZING, NON-CYANIDE BATH AMS 2753 6/4/2018 NO NU-CAST, INC. 3067 29 GRENIER FIELD ROAD LONDONDERRY, NH 03053 RADIOGRAPHIC INSPECTION ASTM E1742-00 O & W HEAT TREAT, INC. ST0195 ONE BIDWELL ROAD SOUTH WINDSOR, CT 06074 DON WHITE 860-528-9239 HEAT TREAT OF STEEL PARTS, GENERAL REQUIREMENTS AMS 2759 HEAT TREAT PRECIPITATION HARDENING AMS 2759/3 HEAT TREATMENT MARTENISTIC CORROSION-RESISTANT STEEL PARTS AMS 2759/5 HEAT TREATMENT OF STEEL AMS-H-6875 TORCH BRAZING MIL-B-7883 TYPE 1 GD-OTS TIPQA Report Page 84 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

O & W HEAT TREAT, INC. ST0195 ONE BIDWELL ROAD SOUTH WINDSOR, CT 06074 DON WHITE 860-528-9239 FURNACE BRAZING MIL-B-7883 TYPE II INDUCTION BRAZING MIL-B-7883 TYPE III O'FALLON CASTING, LLC. 8132 600 CANNONBALL LANE O FALLON, MO 63366-0280 STEVE SOMMER 636-272-6176, EXT 149 In-process Welding of Castings A10318 ALUMINUM HEAT TREAT AMS 2771 7/31/3017 YES 10/31/2018 YES RADIOGRAPHIC INSPECTION ASTM E1742-95 10/31/2018 YES OMNI METAL FINISHING ST0196 11665 COLEY RIVER CIRCLE FOUNTAIN VALLE, CA 92708 QUALITY MANAGER 714-979-9414 ELECTROLESS NICKEL PLATING CLASS 1 MIL-C-26074 CL1 QQ-N-290 NICKEL ELECTROPLATING CLASS 1 QQ-N-290 CL1 OPTIMUS NDE LTD ST0197 915 RUE ST CHARLES ST LAMBERT, J4P 2A2 QUEBEC, CANADA QUALITY MANAGER 450-671-0220 MAGNETIC PARTICLE INSPECTION ASTM E1444 RADIOGRAPHIC INSPECTION ASTM E1742-00 ORBIT INDUSTRIES INC ST0198 6840 LAKE ABRAM DR MIDDLEBURG, OH 44130 QA MANAGER 440-243-3311 Ultrasonic Testing AMS 2154 GD-OTS TIPQA Report Page 85 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

ORBIT INDUSTRIES INC ST0198 6840 LAKE ABRAM DR MIDDLEBURG, OH 44130 QA MANAGER 440-243-3311 MAGNETIC PARTICLE INSPECTION ASTM E1444 Ultrasonic Staight-Beam Examination of Steel Plates ASTM A435/A435M OVS VILLELLA ST0199 VIA INCASALE N.13 21018 SESTO CAL, ITALY P. VILLELLA 39 0331 922380 FUSION WELDING FOR AEROSPACE AWS-D-17.1 FUSION WELDING MIL-STD-2219 FUSION 7/31/2018 YES 7/31/2018 YES OZARK MOUNTAIN TECHNOLOGIES ST0200 109 MIDLAND DRIVE CUBA, MO 65453 MARJORIE WAGNER 573-885-3018 MIL-A-8625 CHROMIC ACID - ALUM ANOD TYPE I, CLASS 1 MIL-A-8625 TYI CL1 MIL-A-8625 CHROMIC ACID - ALUM ANOD TYPE I, CLASS 2 MIL-A-8625 TYI CL2 MIL-A-8625 CHROMIC ACID - ALUM ANOD TYPE IB, CLASS 1 MIL-A-8625 TYIB CL1 MIL-A-8625 CHROMIC ACID - ALUM ANOD TYPE IB, CLASS 2 MIL-A-8625 TYIB CL2 MIL-A-8625 SULFURIC ACID - ALUM ANOD TYPE II CLASS 1 MIL-A-8625 TYII CL1 MIL-A-8625 SULFURIC ACID - ALUM ANOD TYPE II CLASS 2 MIL-A-8625 TYII CL2 MIL-A-8625 HARDCOAT - ALUM ANOD TYPE III, CLASS 1 MIL-A-8625 TYIII CL1 MIL-A-8625 HARDCOAT - ALUM ANOD TYPE III, CLASS 2 MIL-A-8625 TYIII CL2 ALUM CHEMICAL FILM MIL-DTL-5541 GD-OTS TIPQA Report Page 86 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

PACIFIC METALLURGICAL ST0202 925 5TH AVE SOUTH KENT, WA 96032 CATHY FALLEN 253-854-4241 HEAT TREAT CARBON & LOW ALLOY STEEL < 220 KSI AMS 2759/1 HEAT TREAT OF LOW-ALLOY STEEL PARTS > 220 KSI AMS 2759/2 HEAT TREAT PRECIPITATION HARDENING AMS 2759/3 HEAT TREATMENT MARTENISTIC CORROSION-RESISTANT STEEL PARTS AMS 2759/5 HEAT TREATMENT OF WROUGHT ALUMINUM ALLOY PARTS AMS 2770 ALUMINUM HEAT TREAT OF RAW MATERIAL AMS 2772 PAOLO ASTORI ST0203 VIA MIRABELLA 9 SUPERIORE GATTI, ITALY GABRIELE CAMPAGNOLI 39 0322 838847 HEAT TREAT OF STEEL PARTS, GENERAL REQUIREMENTS AMS 2759 HEAT TREAT PRECIPITATION HARDENING AMS 2759/3 PARAMOUNT METAL FINISHING 13197 1515 WEST ELIZABETH AVE LINDEN, NJ 07036 MARTIN HALLANDER 908-862-0772 Gov Approved for M2 & MK19 Contracts MIL-DTL-16232 Phosphate MIL-DTL-16232 - M2 4/30/2017 NO ALUM CHEMICAL FILM MIL-DTL-5541 ALUMINUM CHEMICAL FILM CLASS 3 MIL-C-5541E ALUM CHEMICAL FILM TYPE I MIL-DTL-5541 TYI ALUM CHEMICAL FILM TYPE II MIL-DTL-5541 TYII GD-OTS TIPQA Report Page 87 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

PARFUSE CORPORATION ST0204 65 KINKEL STREET WESTBURY, NY 11590 D. PARRIS 516-997-8888 Brazing, Aluminum & Aluminum Alloys Molten Flux (Dip) AMS 2673 HEAT TREATMENT OF WROUGHT ALUMINUM ALLOY PARTS AMS 2770 12/22/2017 NO 12/22/2017 NO ALUMINUM HEAT TREAT AMS 2771 12/22/2017 NO TORCH BRAZING MIL-B-7883 TYPE 1 12/22/2017 NO DIP BRAZING MIL-B-7883 TYPE V 12/22/2017 NO PARKER RUST PROOF ST0205 1688 ARABELLA ROAD CLEVELAND, OH 44112 LUCY HU 216-481-7400 Manganese Phosphate BFD319019E - 2.1.1B PHOSPHATE COATING MIL-DTL-16232 2/26/2017 NO 2/26/2017 NO PCC STRUCTURALS - CARSON CITY ST0206-2 2727 LOCKHEED WAY CARSON CITY, NV 89706-0791 MAURICIO BARRIENTOS / ERIC MACINTYRE 775-883-3800 In-process Welding of Castings A10318 HEAT TREAT OF STEEL PARTS, GENERAL REQUIREMENTS AMS 2759 HEAT TREAT PRECIPITATION HARDENING AMS 2759/3 HEAT TREATMENT OF STEEL AMS-H-6875 MAGNETIC PARTICLE INSPECTION ASTM E1444 GD-OTS TIPQA Report Page 88 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

PCC STRUCTURALS - CARSON CITY ST0206-2 2727 LOCKHEED WAY CARSON CITY, NV 89706-0791 MAURICIO BARRIENTOS / ERIC MACINTYRE 775-883-3800 RADIOGRAPHIC INSPECTION ASTM E1742 PCC STRUCTURALS - CLACKAMAS ST0206-4 13340 SE 84TH AVE CLACKAMAS, OR 97015 DANIEL MCCARTY / Eric Pool, Quality Manager 503-777-3881 HEAT TREATMENT OF STEEL AMS-H-6875 In-process Welding of Castings A10318 PCC STRUCTURALS - FRANKLIN ST0206-7 35 Industrial Park Drive Franklin, NH 03235 In-process Welding of Castings A10318 ALUMINUM HEAT TREAT AMS 2771 RADIOGRAPHIC INSPECTION ASTM E1742 PCC STRUCTURALS - SCHLOSSER ST0206-1 345 N E HEMLOCK REDMOND, OR 97756 CRAIG MONSON / BILL YOUNG In-process Welding of Castings A10318 RADIOGRAPHIC INSPECTION ASTM E1742-95 PENINSULA METAL FINISHING ST0207 2550 DINNEEN AVE ORLANDO, FL 32804 C. DAVID ROACH 407-291-1023 PASSIVATION OF CORROSION RESISTANT STEELS AMS 2700 7/28/2017 NO GD-OTS TIPQA Report Page 89 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

PENINSULA METAL FINISHING ST0207 2550 DINNEEN AVE ORLANDO, FL 32804 C. DAVID ROACH 407-291-1023 PHOSPHATE COATING MIL-DTL-16232 ALK OX/C & LOW ALLOY STL W/C IRON MIL-C-13924 CL1 7/28/2017 NO 1/27/2019 NO ELECTROLESS NICKEL PLATING CLASS 1 MIL-C-26074 CL1 1/27/2019 NO ELECTROLESS NICKEL PLATING CLASS 2 MIL-C-26074 CL2 1/27/2019 NO ELECTROLESS NICKEL PLATING CLASS 3 MIL-C-26074 CL3 1/27/2019 NO ELECTROLESS NICKEL PLATING CLASS 4 MIL-C-26074 CL4 1/27/2019 NO PIONEER METAL FINISHING ST0209 1717 W RIVER RD MINNEAPOLIS, MN 55411 LISA WICKHAM 612-253-2337 ANODIZING OF ALUMINUM & ALUMINUM ALLOYS AMS 2472 PASSIVATION OF CORROSION RESISTANT STEELS AMS 2700 PASSIVATION-STAINLESS STEEL AMS-QQ-P-35 CHEM PASSIVATION OF STAINLESS PARTS ASTM A967 & A380 MIL-A-8625 SULFURIC ACID - ALUM ANOD TYPE II CLASS 1 MIL-A-8625 TYII CL1 MIL-A-8625 SULFURIC ACID - ALUM ANOD TYPE II CLASS 2 MIL-A-8625 TYII CL2 ALUM CHEMICAL FILM MIL-DTL-5541 GD-OTS TIPQA Report Page 90 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

PLAINVILLE PLATING ST0210 21 FORESTVILLE AVE PLAINVILLE, CT 06062 QA MANAGER 860-747-1264 ANODIC COATINGS FOR ALUMINUM & ALUMINUM ALLOYS MIL-A-8625 MIL-A-8625 CHROMIC ACID - ALUM ANOD TYPE I, CLASS 1 MIL-A-8625 TYI CL1 MIL-A-8625 SULFURIC ACID - ALUM ANOD TYPE II CLASS 1 MIL-A-8625 TYII CL1 PMF INDUSTRIES, INC. ST0211 2601 REACH RD. WILLIAMSPORT, PA 17701 RICHARD STRYKER, QUALITY MGR. 570-323-9944 x121 POLY METAL FINISHING COMPANY ST0212 ONE ALLEN STREET SPRINGFIELD, MA 01108 WAYNE LUMAN 413-781-4535 Hard Coating of Alum Alloys Teflon Impregnated or Codeposite AMS 2482 MIL-A-8625 CHROMIC ACID - ALUM ANOD TYPE I, CLASS 1 MIL-A-8625 TYI CL1 MIL-A-8625 CHROMIC ACID - ALUM ANOD TYPE I, CLASS 2 MIL-A-8625 TYI CL2 MIL-A-8625 CHROMIC ACID - ALUM ANOD TYPE IB, CLASS 1 MIL-A-8625 TYIB CL1 MIL-A-8625 CHROMIC ACID - ALUM ANOD TYPE IB, CLASS 2 MIL-A-8625 TYIB CL2 MIL-A-8625 SULFURIC ACID - ALUM ANOD TYPE II CLASS 1 MIL-A-8625 TYII CL1 MIL-A-8625 SULFURIC ACID - ALUM ANOD TYPE II CLASS 2 MIL-A-8625 TYII CL2 MIL-A-8625 HARDCOAT - ALUM ANOD TYPE III, CLASS 1 MIL-A-8625 TYIII CL1 GD-OTS TIPQA Report Page 91 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

POLY METAL FINISHING COMPANY ST0212 ONE ALLEN STREET SPRINGFIELD, MA 01108 WAYNE LUMAN 413-781-4535 MIL-A-8625 HARDCOAT - ALUM ANOD TYPE III, CLASS 2 MIL-A-8625 TYIII CL2 ALUM CHEMICAL FILM TYPE II, CLASS 3 MIL-DTL-5541 TY2 CL3 ALUM CHEMICAL FILM TYPE I, CLASS 3 MIL-DTL-5541 TYI CL3 POLY PLATING ST0213 2096 WESTOVER ROAD CHICOPEE, MA 01022 EDWIN ONDRICK 413-593-5477 PLATING ELECTROLESS NICKEL CLASS 1 AMS 2404 CLASS 1 PLATING ELECTROLESS NICKEL CLASS 2 AMS 2404 CLASS 2 PLATING ELECTROLESS NICKEL CLASS 3 AMS 2404 CLASS 3 PLATING ELECTROLESS NICKEL CLASS 4 AMS 2404 CLASS 4 ELECTROLESS NICKEL PLATING CLASS 1 MIL-C-26074 CL1 ELECTROLESS NICKEL PLATING CLASS 2 MIL-C-26074 CL2 ELECTROLESS NICKEL PLATING CLASS 3 MIL-C-26074 CL3 ELECTROLESS NICKEL PLATING CLASS 4 MIL-C-26074 CL4 PRECI MANUFACTURING, INC. 7886 400 WEAVER STREET WINOOSKI, VT 05404 PAUL DAIGLE 802-655-2414 MAGNETIC PARTICLE INSPECTION ASTM E1444-01 6/30/2018 NO GD-OTS TIPQA Report Page 92 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

PRODUCT EVALUATION SYSTEMS, INC. ST0215 637 DONOHOE RD, LATROBEE RD. LATROBE, PA 15650-0722 MIKE KOWATCH 724-834-8848 MAGNETIC PARTICLE INSPECTION ASTM E1444 PROGRESS SERVICES ST0217 13948 PROGRESS PKWY NORTH ROYALTON, OH 44133 QA MANAGER 440-237-1811 MAGNETIC PARTICLE INSPECTION ASTM E1444 PROGRESSIVE STEEL TREATING ST0218 922 LAWN DRIVE LOVES PARK, IL 61111 ROBERT LEONARD 815-877-2571 CARBURIZING & HEAT TREAT OF CARB. GR. STEEL AMS 2759/7 PROTECTIVE COATINGS INC. ST0219 1208 4TH AVENUE KENT, WA 98032 PERRY THACKER 253-854-9330 ANODIZING AMS 2470 PASSIVATION OF CORROSION RESISTANT STEELS AMS 2700 PASSIVATION-STAINLESS STEEL AMS-QQ-P-35 CHEM PASSIVATION OF STAINLESS PARTS ASTM A967 & A380 ANODIC COATINGS FOR ALUMINUM & ALUMINUM ALLOYS MIL-A-8625 PTI INDUSTRIES INC ST0220 2 PEERLESS WAY ENFIELD, CT 06082 DAVE TOMASTIS 860-698-9266 PASSIVATION OF CORROSION RESISTANT STEELS AMS 2700 PASSIVATION-STAINLESS STEEL AMS-QQ-P-35 GD-OTS TIPQA Report Page 93 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

PTI INDUSTRIES INC ST0220 2 PEERLESS WAY ENFIELD, CT 06082 DAVE TOMASTIS 860-698-9266 CHEM PASSIVATION OF STAINLESS PARTS ASTM A967 & A380 MAGNETIC PARTICLE INSPECTION ASTM E1444 PURECOAT NORTH LLC AKA CAMBRID ST0221 39 HITTINGER STREET BELMONT, MA 02178 ED DASILVA 617-489-2750 PASSIVATION-STAINLESS STEEL AMS-QQ-P-35 ALUM CHEMICAL FILM TYPE I, CLASS 3 MIL-DTL-5541 TYI CL3 ALUM CHEMICAL FILM TYPE I, CLASS 1A MIL-DTL-5541 TYICL1A Q TECH HEAT, INC ST0222 2727 RUDDER STREET DALLAS, TX 75212 CASHER DOWELL 214-630-8262 AMS 2750C Heat Treat AMS 2750C HEAT TREATMENT OF STEEL AMS-H-6875 7/3/2017 NO 7/3/2017 NO QA Labs (FKA APPLUS RTD) ST0039 80 PLEASANT STREET SOUTH PORTLAND, ME 04106 GARY PARECJANIAN 207-799-8911 MAGNETIC PARTICLE INSPECTION ASTM E1444 5/3/2019 NO 5/3/2019 NO RADIOGRAPHIC INSPECTION ASTM E1742-00 5/3/2019 NO QC LABORATORIES ST0223 2870 STIRLING RD HOLLYWOOD, FL 33020-1198 KEVIN O'CONNER 954-925-0499 MAGNETIC PARTICLE INSPECTION ASTM E1444 1/20/2019 NO 1/20/2019 NO GD-OTS TIPQA Report Page 94 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

QC LABORATORIES ST0223 2870 STIRLING RD HOLLYWOOD, FL 33020-1198 KEVIN O'CONNER 954-925-0499 RADIOGRAPHIC INSPECTION ASTM E1742-95 1/20/2019 NO QOS MANUFACTURING ST0224 750 SAINT PAUL ROCHESTER, NY 14603 QUALITY MANAGER 513-771-7820 MIL-A-8625 SULFURIC ACID - ALUM ANOD TYPE II CLASS 1 MIL-A-8625 TYII CL1 MIL-A-8625 SULFURIC ACID - ALUM ANOD TYPE II CLASS 2 MIL-A-8625 TYII CL2 10/17/2016 NO 10/17/2016 NO MIL-A-8625 HARDCOAT - ALUM ANOD TYPE III, CLASS 1 MIL-A-8625 TYIII CL1 10/17/2016 NO MIL-A-8625 HARDCOAT - ALUM ANOD TYPE III, CLASS 2 MIL-A-8625 TYIII CL2 10/17/2016 NO QUALITY ALUMINUM FORGE (NEUVANT ST0225 FORGED PRODUCTS DIVISION ORANGE, CA 92867 PAT MOAG QA MGR 714-639-8191 QUALITY MATERIAL INSPECTION ST0226 5442 OCEANUS DRIVE HUNTINGTON BEACH, CA 92649 QA MANAGER 714-903-4500 ULTRASONIC INSPECTION MIL-STD-2154 QUALITY PLATING OF TULSA, INC ST0227 2655 NORTH DARLINGTON AVENUE TULSA, OK 74115-2801 QUALITY MANAGER 918-835-2778 ALUM CHEMICAL FILM MIL-DTL-5541 Regal Beloit Americas, Inc. dba McGill Manufacturing Company, Inc ST0100 2300 E EVANS AVE VALPARISO, IN 46383 JOHN PIO 219-465-2289 HEAT TREAT OF STEEL PARTS, GENERAL REQUIREMENTS AMS 2759 MAGNETIC PARTICLE INSPECTION ASTM E1444 RENTON COIL SPRING COMPANY 7951 425 SOUTH 7TH STREET RENTON, WA 98057 PAUL CHURCHILL 425-255-1453 HEAT TREAT PRECIPITATION HARDENING AMS 2759/3 GD-OTS TIPQA Report Page 95 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

RENTON COIL SPRING COMPANY 7951 425 SOUTH 7TH STREET RENTON, WA 98057 PAUL CHURCHILL 425-255-1453 HEAT TREAMENT OF TITANIUM AMS-H-81200 REX HEAT TREAT ST0230 8TH STREET AND VALLEY FORGE ROAD LANSDALE, PA 19446 DOUG GERBER 814-622-1701 HEAT TREAMENT OF TITANIUM AMS-H-81200 River Street Metal Finishing, Inc. ST0291 35 Johnson Lane - Roc Sam Industrial Pk Braintree, MA 02184 MIL-A-8625 HARDCOAT - ALUM ANOD TYPE III, CLASS 2 MIL-A-8625 TYIII CL2 ALUM CHEMICAL FILM TYPE II, CLASS 3 MIL-DTL-5541 TY2 CL3 ROBERT WOOLER CO. ST0232 P.O. BOX 300 DRESSHER, PA 19025 BILL KEIDER 215-542-7600 HEAT TREATMENT OF STEEL AMS-H-6875 ROCHESTER STEEL TREATING WORKS ST0233 962 E MAIN ST ROCHESTER, NY 14605 QUALITY MANAGER 585-546-3348 HEAT TREAT OF STEEL PARTS, GENERAL REQUIREMENTS AMS 2759 HEAT TREAT CARBON & LOW ALLOY STEEL < 220 KSI AMS 2759/1 6/18/2017 NO 6/18/2017 NO HEAT TREAT OF LOW-ALLOY STEEL PARTS > 220 KSI AMS 2759/2 6/18/2017 NO SAPORITO FINISHING ST0235 3119 SOUTH AUSTIN BLVD. CICERO, IL 60804 JERRY RICE 708-222-5300 MAGNESIUM ALLOY, PRETREAT & PREV. OF CORR AMS-M-3171 SCOT FORGE COMPANY 1086 8001 WINN ROAD SPRING GROVE, IL 60081 PATTY FOSTER 800-435-6621 HEAT TREATMENT OF WROUGHT ALUMINUM ALLOY PARTS AMS 2770 ALUMINUM HEAT TREAT AMS 2771 1/31/2018 NO 1/31/2018 NO GD-OTS TIPQA Report Page 96 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

SCOT FORGE COMPANY 1086 8001 WINN ROAD SPRING GROVE, IL 60081 PATTY FOSTER 800-435-6621 HEAT TREATMENT OF WROUGHT ALUMINUM ALLOY PARTS AMS 2770 ALUMINUM HEAT TREAT AMS 2771 1/14/2018 NO 1/14/2018 NO AMS-H-6875 & AMS 2750C HEAT TREATMENT of STEEL AMS-H-6875&AMS 2750C 1/14/2018 NO SECONDO MONA ST0236 VI A DEL PRETE N.1 21019 SOMMA LO, ITALY CARLO STELLA 39 0331 756246 HEAT TREAT OF STEEL PARTS, GENERAL REQUIREMENTS AMS 2759 HEAT TREAT PRECIPITATION HARDENING AMS 2759/3 MIL-A-8625 CHROMIC ACID - ALUM ANOD TYPE I, CLASS 1 MIL-A-8625 TYI CL1 MIL-A-8625 CHROMIC ACID - ALUM ANOD TYPE IB, CLASS 1 MIL-A-8625 TYIB CL1 MIL-A-8625 SULFURIC ACID - ALUM ANOD TYPE II CLASS 1 MIL-A-8625 TYII CL1 MIL-A-8625 HARDCOAT - ALUM ANOD TYPE III, CLASS 1 MIL-A-8625 TYIII CL1 SIFCO ST0237 5708 E. SCHAAF ROAD INDEPENDENCE, OH 44131 DEREK VANEK 216-524-0099 SELECTIVE (BRUSH PLATING) ELECTRO DEP MIL-STD-865 SILVEX 11292 45 THOMAS DRIVE WESTBROOK, ME 04092-3847 QUALITY MANAGER 207-761-0392 PASSIVATION OF CORROSION RESISTANT STEELS AMS 2700 CHEM PASSIVATION OF STAINLESS PARTS ASTM A967 & A380 GD-OTS TIPQA Report Page 97 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

SILVEX 11292 45 THOMAS DRIVE WESTBROOK, ME 04092-3847 QUALITY MANAGER 207-761-0392 ANODIZE ALUMINUM, SULFURIC ACID AMS 2471 CHEMICAL CONVERSION COAT ON ALU MIL-C-5541 ALUM CHEMICAL FILM MIL-DTL-5541 SMITH AND WESSON ST0238 2100 ROOSEVELT AVENUE SPRINGFIELD, MA 01102-2208 LARRY FLATLEY 413-781-8300 AMS-H-6875 & AMS 2750C HEAT TREATMENT of STEEL AMS-H-6875&AMS 2750C HEAT TREAT OF STEEL PARTS, GENERAL REQUIREMENTS AMS 2759 8/13/2017 NO 7/24/2018 NO HEAT TREAT CARBON & LOW ALLOY STEEL < 220 KSI AMS 2759/1 7/24/2018 NO HEAT TREAT OF LOW-ALLOY STEEL PARTS > 220 KSI AMS 2759/2 7/24/2018 NO HEAT TREAT PRECIPITATION HARDENING AMS 2759/3 7/24/2018 NO HEAT TREATMENT MARTENISTIC CORROSION-RESISTANT STEEL PARTS AMS 2759/5 7/24/2018 NO SMYTH COUNTY MACHINE 4837 260 GORDONDALE ROAD ATKINS, VA 24311 RICKIE SESSOR, QC MANAGER 276-783-4582 FUSION WELDING FOR AEROSPACE REQMTS MIL-STD-2219 AERO 6/24/2018 NO SOCIETA INDUSTRIA MECCANICA ST0239 VIA ARONA N. 81/83 CASELLA POSTAL, ITALY GUGLIELMO PISAPIA - OPS. MGR. 39 0322 81625 MAGNETIC PARTICLE INSPECTION ASTM E1444 GD-OTS TIPQA Report Page 98 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

SOUSA CORP, THE ST0240 565 CEDAR ST. NEWINGTON, CT 06111 ANDY SOUSA 860-523-9090 HEAT TREAT OF STEEL PARTS, GENERAL REQUIREMENTS AMS 2759 HEAT TREAT CARBON & LOW ALLOY STEEL < 220 KSI AMS 2759/1 HEAT TREAT OF LOW-ALLOY STEEL PARTS > 220 KSI AMS 2759/2 HEAT TREAT PRECIPITATION HARDENING AMS 2759/3 HEAT TREATMENT MARTENISTIC CORROSION-RESISTANT STEEL PARTS AMS 2759/5 CARBURIZING & HEAT TREAT OF CARB. GR. STEEL AMS 2759/7 CARBURIZING CARBON & LOW ALLOY STEELS AMS 2762 SOUTHERN MAINE SPECIALTIES INC 6031 45 HUTCHERSON DRIVE GORHAM, ME 04038 Wanda Blais 207-856-7391 PASSIVATION-STAINLESS STEEL AMS-QQ-P-35 MIL-A-8625 SULFURIC ACID - ALUM ANOD TYPE II CLASS 1 MIL-A-8625 TYII CL1 8/31/2016 NO 8/31/2016 NO MIL-A-8625 SULFURIC ACID - ALUM ANOD TYPE II CLASS 2 MIL-A-8625 TYII CL2 8/31/2016 NO MIL-A-8625 HARDCOAT - ALUM ANOD TYPE III, CLASS 1 MIL-A-8625 TYIII CL1 8/31/2016 NO MIL-A-8625 HARDCOAT - ALUM ANOD TYPE III, CLASS 2 MIL-A-8625 TYIII CL2 8/31/2016 NO ALUM CHEMICAL FILM TYPE II, CLASS 3 MIL-DTL-5541 TY2 CL3 8/31/2016 NO GD-OTS TIPQA Report Page 99 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

SOUTHERN MAINE SPECIALTIES INC 6031 45 HUTCHERSON DRIVE GORHAM, ME 04038 Wanda Blais 207-856-7391 ALUM CHEMICAL FILM TYPE II, CLASS 1A MIL-DTL-5541 TY2CL1A ALKALINE OXIDIZING/OTHER CRES MIL-DTL-13924 CL 4 8/31/2016 NO 8/31/2016 NO SPECIALTY STEEL TREATING ST0241 12 KRIPES ROAD EAST GRANBY, CT 06026 RYAN COLLMORGEN 860-653-0061 HEAT TREAT OF STEEL PARTS, GENERAL REQUIREMENTS AMS 2759 HEAT TREAT CARBON & LOW ALLOY STEEL < 220 KSI AMS 2759/1 HEAT TREAT OF LOW-ALLOY STEEL PARTS > 220 KSI AMS 2759/2 HEAT TREAT PRECIPITATION HARDENING AMS 2759/3 HEAT TREATMENT OF STEEL AMS-H-6875 FURNACE BRAZING MIL-B-7883 TYPE II SPECIALTY STEEL TREATING, INC. ST0242 34501 COMMERCE ROAD FRASER, MI 48026 TOM VALENTI 810-293-5355 HEAT TREAT OF STEEL PARTS, GENERAL REQUIREMENTS AMS 2759 GAS NITRIDING AND HEAT TREATMENT OF LOW-ALLOY STEEL PARTS AMS 2759/6 HEAT TREATMENT OF STEEL AMS-H-6875 SPOTWELDERS INC ST0243 1021 HONEYSPOT RD STRATFORD, CT 06497 JAMES SILVESTRI 203-386-8938 WELDING ALUM & MAG ALLOYS GP 1, CL C AMS-W-6858 GR1 CLC WELDING ALUM & MAG ALLOYS GP 1, CL B AMS-W-6858 GR1 CLB 9/23/2018 NO 9/23/2018 NO GD-OTS TIPQA Report Page 100 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

SPOTWELDERS INC ST0243 1021 HONEYSPOT RD STRATFORD, CT 06497 JAMES SILVESTRI 203-386-8938 WELDING NICKEL & STAINLESS GP 2, CL B AMS-W-6858 GR2 CLB WELDING NICKEL & STAINLESS GP 2, CL C AMS-W-6858 GR2 CLC 9/23/2018 NO 9/23/2018 NO STABILE PLATING ST0244 1150 E EDNA PLACE COVINA, CA 91724 QA MANAGER 626-339-9091 PASSIVATION OF CORROSION RESISTANT STEELS AMS 2700 ANODIC COATINGS FOR ALUMINUM & ALUMINUM ALLOYS AMS-A-8625 PASSIVATION-STAINLESS STEEL AMS-QQ-P-35 ANODIC COATINGS FOR ALUMINUM & ALUMINUM ALLOYS MIL-A-8625 ALUM CHEMICAL FILM MIL-DTL-5541 PASSIVATION-STAINLESS STEEL QQ-P-35 SUPERIOR HEAT TREAT ST0249 36125 GROESBECK HWY CLINTON TWP, MI 48305 MARK KAISER 586-797-9500 HEAT TREAT OF STEEL PARTS, GENERAL REQUIREMENTS AMS 2759 HEAT TREAT CARBON & LOW ALLOY STEEL < 220 KSI AMS 2759/1 4/4/2019 NO 4/4/2019 NO HEAT TREAT OF LOW-ALLOY STEEL PARTS > 220 KSI AMS 2759/2 4/4/2019 NO HEAT TREAT PRECIPITATION HARDENING AMS 2759/3 4/4/2019 NO HEAT TREATMENT OF STEEL AMS-H-6875 4/4/2019 NO GD-OTS TIPQA Report Page 101 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

SYNERGY METAL FINISHING 13225 895 BUFFALO RD TITUSVILLE, FL 32796 HOWARD WOERNLEY/BRANDI RANKIN 321-383-7798 PASSIVATION OF CORROSION RESISTANT STEELS AMS 2700 NICKEL PLATE AMS-QQ-N-290 PASSIVATION-STAINLESS STEEL AMS-QQ-P-35 CHEM PASSIVATION OF STAINLESS PARTS ASTM A967 & A380 MIL-A-8625 SULFURIC ACID - ALUM ANOD TYPE II CLASS 1 MIL-A-8625 TYII CL1 MIL-A-8625 SULFURIC ACID - ALUM ANOD TYPE II CLASS 2 MIL-A-8625 TYII CL2 MIL-A-8625 HARDCOAT - ALUM ANOD TYPE III, CLASS 1 MIL-A-8625 TYIII CL1 MIL-A-8625 HARDCOAT - ALUM ANOD TYPE III, CLASS 2 MIL-A-8625 TYIII CL2 ELECTROLESS NICKEL PLATING CLASS 1 MIL-C-26074 CL1 MIL-T-10727 / ASTM B339 / ASTM B545 TIN PLATING MIL-T-10727 NICKEL ELECTROPLATING QQ-N-290 CHEMICAL CONVERSION COAT ON ALU MIL-C-5541 ALUM CHEMICAL FILM TYPE II, CLASS 1A MIL-DTL-5541 TY2CL1A GD-OTS TIPQA Report Page 102 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

TDC Systems, Inc. TEAM INDUSTRIAL SERVICES ST0287 38296 Western Parkway Willoughby, OH 44094 ST0251 10540 CHESTER ROAD WOODLAWN, OH 45215 QUALITY MANAGER 513-771-3292 PHOSPHATE COATING MIL-DTL-16232 LUBRICANT, SOLID FILM, HEAT CURED, CORROSION INHIBITING NA MIL-PRF-46010 4/1/2018 YES ST0252 1920 OAKCREST AVE ROSEVILLE, MN 55113 GREG DANBURY 651-633-7616 MAGNETIC PARTICLE INSPECTION ASTM E1444 TECHMETALS, INC ST0253 345 SPRINGFIELD STREET DAYTON, OH 45401 TIM ASH 937-253-5311 PASSIVATION-STAINLESS STEEL AMS-QQ-P-35 MIL-A-8625 SULFURIC ACID - ALUM ANOD TYPE II CLASS 1 MIL-A-8625 TYII CL1 MIL-A-8625 SULFURIC ACID - ALUM ANOD TYPE II CLASS 2 MIL-A-8625 TYII CL2 MIL-A-8625 HARDCOAT - ALUM ANOD TYPE III, CLASS 1 MIL-A-8625 TYIII CL1 MIL-A-8625 HARDCOAT - ALUM ANOD TYPE III, CLASS 2 MIL-A-8625 TYIII CL2 ALUM CHEMICAL FILM TYPE I MIL-DTL-5541 TYI ALUM CHEMICAL FILM TYPE II MIL-DTL-5541 TYII GD-OTS TIPQA Report Page 103 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

TECHMETALS, INC THERMAL METAL TREATING ST0253 345 SPRINGFIELD STREET DAYTON, OH 45401 ST0255 9546 HWY 211 EAST ABERDEEN, NC 28315 TIM ASH 937-253-5311 MARK SCOTT 910-944-3636 SELECTIVE (BRUSH PLATING) ELECTRO DEP MIL-STD-865 COATING, TITANIUM NITRIDE PHYSICAL VAPOR DEPOSITION AMS 2444A BLACK OXIDE COAT FOR FERROUS MAT. MIL-DTL-13924D 10/10/2017 NO THERMETCO INC ST0256 1999 RUE WILLIAM MONTREAL, H3J 1R9 CANADA MILENKA DENTCHEVA- KAMENOVA 514-934-3945 HEAT TREAT PRECIPITATION HARDENING AMS 2759/3 HEAT TREATMENT OF STEEL AMS-H-6875 THERM-TECH ST0257 301 TRAVIS LANE WAUKESHA, WI 53189 AL LADD 262-549-4320 HEAT TREATMENT OF STEEL AMS-H-6875 HEAT TREAT OF STEEL PARTS, GENERAL REQUIREMENTS AMS 2759 9/8/2018 NO 2/16/2019 NO HEAT TREAT CARBON & LOW ALLOY STEEL < 220 KSI AMS 2759/1 2/16/2019 NO TRI-ANGLE METAL FAB 2022 100 GONYEAU ROAD MILTON, VT 05468 Paul Fallon 802-893-1581 FUSION WELDING MIL-STD-2219 FUSION INERT ARC-TIG WELDING ALUMINUM MIL-STD-2219 INERT TIG WELDING CARBON STEEL MIL-STD-2219 TIG CAR TIG WELDING STAINLESS ALLOYS MIL-STD-2219 TIG SA GD-OTS TIPQA Report Page 104 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

TRI-ANGLE METAL FAB 2022 100 GONYEAU ROAD MILTON, VT 05468 Paul Fallon 802-893-1581 SPECIFICATIONS FOR WELDING, ALUMINUM, and ALUMINUM ALLOY MIL-W-22248A 7/31/2017 NO TRIPLE CITIES METAL FINISHING CORP ST0293 349 Industrial Park Drive Binghamton, NY 13904 Dave Arbes, Quality Manager CONVERSION/PHOSPHATE COATINGS AMS 2473 PASSIVATION OF CORROSION RESISTANT STEELS AMS 2700 ANODIC COATINGS FOR ALUMINUM & ALUMINUM ALLOYS AMS-A-8625 PASSIVATION-STAINLESS STEEL AMS-QQ-P-35 CHEM PASSIVATION OF STAINLESS PARTS ASTM A967 & A380 ANODIC COATINGS FOR ALUMINUM & ALUMINUM ALLOYS MIL-A-8625 CHEMICAL CONVERSION COAT ON ALU MIL-C-5541 ALUM CHEMICAL FILM MIL-DTL-5541 TRIUMPH FABRICATIONS ST0259 7445 EAST LANCASTER FORT WORTH, TX 76112 QUALITY MANAGER 817-496-2836 Standard Guide for Prep of Metal Surfaces for Adhesive Bond ASTM D2651 Standard Guide for Prep of Alumin Surfaces for Structural Ad ASTM D3933 7/31/2017 NO 7/31/2017 NO TRIUMPH PROCESSING EMBEE DIVISION ST0260 2136 S HATHAWAY SANTA ANA, CA 92705 JIM GREIVES 714-546-9842 PASSIVATION OF CORROSION RESISTANT STEELS AMS 2700 GD-OTS TIPQA Report Page 105 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

TRIUMPH PROCESSING EMBEE DIVISION ST0260 2136 S HATHAWAY SANTA ANA, CA 92705 JIM GREIVES 714-546-9842 PASSIVATION-STAINLESS STEEL AMS-QQ-P-35 MIL-A-8625 CHROMIC ACID - ALUM ANOD TYPE I, CLASS 1 MIL-A-8625 TYI CL1 MIL-A-8625 CHROMIC ACID - ALUM ANOD TYPE I, CLASS 2 MIL-A-8625 TYI CL2 MIL-A-8625 CHROMIC ACID - ALUM ANOD TYPE IB, CLASS 1 MIL-A-8625 TYIB CL1 MIL-A-8625 SULFURIC ACID - ALUM ANOD TYPE II CLASS 1 MIL-A-8625 TYII CL1 MIL-A-8625 HARDCOAT - ALUM ANOD TYPE III, CLASS 1 MIL-A-8625 TYIII CL1 MIL-A-8625 HARDCOAT - ALUM ANOD TYPE III, CLASS 2 MIL-A-8625 TYIII CL2 COPPER ELECTROPLATING MIL-C-14550 ELECTROLESS NICKEL PLATING MIL-C-26074 PHOSPHATE COATING MIL-DTL-16232 ALUM CHEMICAL FILM MIL-DTL-5541 ALUM CHEMICAL FILM TYPE II MIL-DTL-5541 TYII MIL-A-8625 CHROMIC ACID - ALUM ANOD TYPE IB, CLASS 2 MIL-A-8625 TYIB CL2 GD-OTS TIPQA Report Page 106 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

TRIUMPH PROCESSING EMBEE DIVISION ST0260 2136 S HATHAWAY SANTA ANA, CA 92705 JIM GREIVES 714-546-9842 MIL-A-8625 SULFURIC ACID - ALUM ANOD TYPE II CLASS 2 MIL-A-8625 TYII CL2 MAGNETIC PARTICLE INSPECTION ASTM E1444 TROY TUBE & MANUFACTURING CO. 12235 50100 EAST RUSSELL SCHMIDT CHESTERFIELD, MI 48051 Tom Gibbs 586-949-8700 WELDING FOR AEROSPACE A10458 AWS D17.1 FUSION WELDING FOR AEROSPACE AWS-D-17.1 4/13/2018 NO 4/13/2018 NO TUBE BENDING INC 13394 13356 MANHASSET ROAD APPLE VALLEY, CA 92308-5752 FUSION WELDING FOR AEROSPACE AWS-D-17.1 ULTRA LABS ST0261 196 ST CLAIR AVE CLEVELAND, OH 44117-1009 DOUG ROYON MAGNETIC PARTICLE INSPECTION ASTM E1444 ULTRA MACHINE AND FABRICATION 12232 2501 WEST DIXON BLVD SHELBY, NC 28150 QUALITY MANAGER 704-482-1399 AWS D1.1 - D17.1 STEEL STRUCTURAL WELDING A10458 AWS D1.1 - D1 AWS D1.2 ALUMINUM STRUCTURAL WELDING A10458 AWS D1.2 11/18/2017 NO 11/18/2017 NO AWS D1.6 - D17.1 SS STRUCTURAL WELDING A10458 AWS D1.6 - D1 11/18/2017 NO UNI-CAST INC 8545 11 INDUSTRIAL DRIVE LONDONDERRY, NH 03053 KEVIN CARLS 603-625-5761 In-process Welding of Castings A10318 GD-OTS TIPQA Report Page 107 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

UNI-CAST INC 8545 11 INDUSTRIAL DRIVE LONDONDERRY, NH 03053 KEVIN CARLS 603-625-5761 RADIOGRAPHIC INSPECTION ASTM E1742 ALUMINUM HEAT TREAT AMS 2771 UNITED PLATING WORKS ST0262 4118 N. MINGO RD TULSA, OK 74116 QUALITY MANAGER 918-835-4683 CADMIUM ELECTROPLATING QQ-P-416 UNITED TECHNOLOGIES AEROSPACE VAC AERO INTERNATIONAL VALLEY PLATING INC ST0263 1 HAMILTON ROAD WINDSOR LOCKS, CT 06096 ST0264 7450 VERITE ST-LAURENT, QUEBEC ST0265 H4S 1C5 412 ALBANY STREET SPRINGFIELD, MA 01105 FRANK RACANA Counterfeit Risk Assessment 12/13/2016 NO COUNTERFEIT LOUIS BEAUVAIS HEAT TREATMENT OF STEEL AMS-H-6875 TIM MARTIN 413-788-7666 Gov Approved for M2 & MK19 Contracts MIL-DTL-16232 Phosphate MIL-DTL-16232 - M2 NICKEL/CADMIUM, DIFFUSED AMS 2416 4/30/2017 NO COPPER ELECTROPLATING AMS 2418 CONVERSION/PHOSPHATE COATINGS AMS 2473 PASSIVATION OF CORROSION RESISTANT STEELS AMS 2700 PASSIVATION-STAINLESS STEEL AMS-QQ-P-35 GD-OTS TIPQA Report Page 108 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

VALLEY PLATING INC ST0265 412 ALBANY STREET SPRINGFIELD, MA 01105 TIM MARTIN 413-788-7666 CHEM PASSIVATION OF STAINLESS PARTS ASTM A967 & A380 ASTM B 545-97 ELECTRODEPOSIT COATING OF TIN ASTM B545 ELECTRODEPOSITED SILVER ASTM B700 MIL-A-8625 CHROMIC ACID - ALUM ANOD TYPE I, CLASS 1 MIL-A-8625 TYI CL1 MIL-A-8625 CHROMIC ACID - ALUM ANOD TYPE I, CLASS 2 MIL-A-8625 TYI CL2 MIL-A-8625 SULFURIC ACID - ALUM ANOD TYPE II CLASS 1 MIL-A-8625 TYII CL1 MIL-A-8625 SULFURIC ACID - ALUM ANOD TYPE II CLASS 2 MIL-A-8625 TYII CL2 MIL-A-8625 HARDCOAT - ALUM ANOD TYPE III, CLASS 1 MIL-A-8625 TYIII CL1 MIL-A-8625 HARDCOAT - ALUM ANOD TYPE III, CLASS 2 MIL-A-8625 TYIII CL2 ALK OX/C & LOW ALLOY STL W/C IRON MIL-C-13924 CL1 COPPER ELECTROPLATING MIL-C-14550 ALK OX/C & LOW ALLOY STL W/C IRON MIL-DTL-13924 CL 1 PHOSPHATE COATING MIL-DTL-16232 GD-OTS TIPQA Report Page 109 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

VALLEY PLATING INC ST0265 412 ALBANY STREET SPRINGFIELD, MA 01105 TIM MARTIN 413-788-7666 ALUM CHEMICAL FILM TYPE II, CLASS 3 MIL-DTL-5541 TY2 CL3 ALUM CHEMICAL FILM TYPE II, CLASS 1A MIL-DTL-5541 TY2CL1A ALUM CHEMICAL FILM TYPE I, CLASS 3 MIL-DTL-5541 TYI CL3 ALUM CHEMICAL FILM TYPE I, CLASS 1A MIL-DTL-5541 TYICL1A TYPE I TIN ELECTROPLATING MIL-T-10727 TYI NICKEL ELECTROPLATING QQ-N-290 CADMIUM ELECTROPLATING QQ-P-416 SILVER ELECTROPLATING QQ-S-365 VERHOFF MACHINE & WELDING INC 5096 7300 COUNTY ROAD 18 CONTINENTAL, OH 45831 SHELBY BURDEN 419-596-3202 ALUM CHEMICAL FILM TYPE II, CLASS 1A MIL-DTL-5541 TY2CL1A AWS D1.1 - D17.1 STEEL STRUCTURAL WELDING A10458 AWS D1.1 - D1 1/1/2018 NO 12/29/2017 NO AWS D1.2 ALUMINUM STRUCTURAL WELDING A10458 AWS D1.2 12/29/2017 NO SRAT RAFAEL HIGH HARD & RHA ARMOR WELDING WSR-2409-SRAT 12/29/2017 NO GD-OTS TIPQA Report Page 110 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

VERMONT AEROSPACE INDUSTRIES LLC 2008 966 INDUSTRIAL PARKWAY LYNDONVILLE, VT 05851 WILLIAM TERRILL, QA MGR 802-748-8705 X222 SPECIFICATIONS FOR WELDING, ALUMINUM, and ALUMINUM ALLOY MIL-W-22248A 7/30/2017 NO TORCH BRAZING MIL-B-7883 TYPE 1 2/16/2018 NO AWS D1.2 ALUMINUM STRUCTURAL WELDING A10458 AWS D1.2 8/18/2018 NO WELDING FOR AEROSPACE A10458 AWS D17.1 9/17/2018 NO MAGNETIC PARTICLE INSPECTION ASTM E1444 1/7/2019 NO -99 3/7/2019 NO VESTSHELL INC. 6112, HEAT TREAT PRECIPITATION HARDENING AMS 2759/3 4/15/2017 NO 4/15/2017 NO VI MANUFACTURING, INC. 6112 10378 PELLITIER AVE MONTREAL NORTH, QC 8759 164 ORCHARD ST WEBSTER, NY 14580 HIH 3R3 GREG BROWN 514-326-1280 BILL COX QA MANAGER 585 872-5650 IN-PROCESS WELDING OF CASTINGS AMS 2694B AWS D1.1 - D17.1 STEEL STRUCTURAL WELDING A10458 AWS D1.1 - D1 6/9/2018 NO 12/2/2017 NO WEBER METALS, INC. 8539 16706 GARFIELD AVENUE PARAMOUNT, CA 90723 Rudy Macias / MARIO BRACEY 562-602-0260 ULTRASONIC INSPECTION MIL-STD-2154 GD-OTS TIPQA Report Page 111 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

WEBER METALS, INC. 8539 16706 GARFIELD AVENUE PARAMOUNT, CA 90723 Rudy Macias / MARIO BRACEY 562-602-0260 ALUMINUM HEAT TREAT OF RAW MATERIAL AMS 2772 HEAT TREATMENT OF ALUMINUM ALLOYS MIL-H-6088G WEST PENN TESTING LABS ST0269 1010 INDUSTRIAL BLVD. NEW KENSINGTON, PA 15068 MARK POMPE 724-334-1900 MAGNETIC PARTICLE INSPECTION ASTM E1444 WESTERN AEROSPACE INSPECTION ST0268 1376 WALTER STREET, UNIT D7 VENTURA, CA 93003 JAMIE LAGOS, QUALITY MANAGER 805-644-3882 MAGNETIC PARTICLE INSPECTION ASTM E1444 RADIOGRAPHIC INSPECTION ASTM E1742-95 WESTFIELD ELECTROPLATE CO. 6056 68 NORTH ELM STREET WESTFIELD, MA 01086 SCOTT SERRE/Keven Kadelka 413-568-3716 Surface Conditioning of Corrosion Resistant Steels 5544271 Diversey Process for Castings A10360 7/29/2019 NO 7/29/2019 NO Gov Approved for M2 & MK19 Contracts MIL-DTL-16232 Phosphate MIL-DTL-16232 - M2 7/31/2017 NO PLATING ELECTROLESS NICKEL AMS 2404 Chromium Coating, Thin, Hard, Dense Deposit AMS 2406 COPPER ELECTROPLATING AMS 2418 GD-OTS TIPQA Report Page 112 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

WESTFIELD ELECTROPLATE CO. 6056 68 NORTH ELM STREET WESTFIELD, MA 01086 SCOTT SERRE/Keven Kadelka 413-568-3716 CONVERSION/PHOSPHATE COATINGS AMS 2473 Hard Coating of Alum Alloys Teflon Impregnated or Codeposite AMS 2482 CONVERSION/PHOSPHATE COATINGS AMS 2485 CONVERSION COATING TITANIUM AMS 2486 Anodizing Titanium and Titanium Alloys Solution ph 13 or > AMS 2488 PASSIVATION OF CORROSION RESISTANT STEELS AMS 2700 ELECTROLESS NICKEL PLATING AMS-C-26074 AMS-P-81728 TIN-LEAD PLATING AMS-P-81728 CHROMIUM PLATING AMS-QQ-C-320 PASSIVATION-STAINLESS STEEL AMS-QQ-P-35 CHEM PASSIVATION OF STAINLESS PARTS ASTM A967 & A380 ASTM B 545-97 ELECTRODEPOSIT COATING OF TIN ASTM B545 Descaling & Cleaning Titanium & Titanium Alloy Surfaces ASTM B600 GD-OTS TIPQA Report Page 113 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

WESTFIELD ELECTROPLATE CO. 6056 68 NORTH ELM STREET WESTFIELD, MA 01086 SCOTT SERRE/Keven Kadelka 413-568-3716 ZINC ELECTROPLATING ASTM B633 ELECTRODEPOSITED SILVER ASTM B700 Electroless Nickel - Phosphorus Coatings ASTM B733 MIL-A-8625 CHROMIC ACID - ALUM ANOD TYPE I, CLASS 1 MIL-A-8625 TYI CL1 MIL-A-8625 CHROMIC ACID - ALUM ANOD TYPE I, CLASS 2 MIL-A-8625 TYI CL2 MIL-A-8625 CHROMIC ACID - ALUM ANOD TYPE IB, CLASS 1 MIL-A-8625 TYIB CL1 MIL-A-8625 CHROMIC ACID - ALUM ANOD TYPE IB, CLASS 2 MIL-A-8625 TYIB CL2 MIL-A-8625 SULFURIC ACID - ALUM ANOD TYPE II CLASS 1 MIL-A-8625 TYII CL1 MIL-A-8625 SULFURIC ACID - ALUM ANOD TYPE II CLASS 2 MIL-A-8625 TYII CL2 MIL-A-8625 HARDCOAT - ALUM ANOD TYPE III, CLASS 1 MIL-A-8625 TYIII CL1 MIL-A-8625 HARDCOAT - ALUM ANOD TYPE III, CLASS 2 MIL-A-8625 TYIII CL2 BLACK OXIDE COATING FERROUS MATERIAL CLASS 1 MIL-C-13924C CL1 BLACK OXIDE COATING FERROUS MATERIAL CLASS 4 MIL-C-13924C CL4 GD-OTS TIPQA Report Page 114 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

WESTFIELD ELECTROPLATE CO. 6056 68 NORTH ELM STREET WESTFIELD, MA 01086 SCOTT SERRE/Keven Kadelka 413-568-3716 ELECTROLESS NICKEL PLATING MIL-C-26074 CHEMICAL CONVERSION COAT ON ALU MIL-C-5541 BLACK OXIDE COAT FOR FERROUS MAT. MIL-DTL-13924D PHOSPHATE COATING MIL-DTL-16232 ALUM CHEMICAL FILM TYPE I MIL-DTL-5541 TYI ALUM CHEMICAL FILM TYPE II MIL-DTL-5541 TYII TYPE I TIN ELECTROPLATING MIL-T-10727 TYI TYPE II HOT DIP TIN COATING MIL-T-10727 TYPE II QQ-N-290 NICKEL ELECTROPLATING CLASS 1 QQ-N-290 CL1 QQ-N-290 NICKEL ELECTROPLATING CLASS 2 QQ-N-290 CL2 QQ-P-416F CADMIUM ELECTROPLATING TYPE I QQ-P-416F TYI QQ-P-416F CADMIUM ELECTROPLATING TYPE II QQ-P-416F TYII QQ-P-416F CADMIUM ELECTROPLATING TYPE III QQ-P-416F TYIII GD-OTS TIPQA Report Page 115 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

WESTFIELD ELECTROPLATE CO. 6056 68 NORTH ELM STREET WESTFIELD, MA 01086 SCOTT SERRE/Keven Kadelka 413-568-3716 QQ-S-365 SILVER ELECTROPLATING TYPE I, GRADE A QQ-S-365 TYI GRDA QQ-S-365 SILVER ELECTROPLATING TYPE I, GRADE B QQ-S-365 TYI GRDB QQ-S-365 SILVER ELECTROPLATING TYPE II, GRADE A QQ-S-365 TYII GRDA QQ-S-365 SILVER ELECTROPLATING TYPE II, GRADE B QQ-S-365 TYII GRDB Gov Approved for M2 & MK19 Contracts MIL-DTL-16232 Phosphate MIL-DTL-16232 - M2 7/6/2019 NO PLATING ELECTROLESS NICKEL AMS 2404 7/6/2019 YES Chromium Coating, Thin, Hard, Dense Deposit AMS 2406 7/6/2019 YES COPPER ELECTROPLATING AMS 2418 7/6/2019 YES CONVERSION/PHOSPHATE COATINGS AMS 2473 7/6/2019 YES Hard Coating of Alum Alloys Teflon Impregnated or Codeposite AMS 2482 7/6/2019 YES CONVERSION/PHOSPHATE COATINGS AMS 2485 7/6/2019 YES CONVERSION COATING TITANIUM AMS 2486 7/6/2019 YES Anodizing Titanium and Titanium Alloys Solution ph 13 or > AMS 2488 7/6/2019 YES GD-OTS TIPQA Report Page 116 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

WESTFIELD ELECTROPLATE CO. 6056 68 NORTH ELM STREET WESTFIELD, MA 01086 SCOTT SERRE/Keven Kadelka 413-568-3716 PASSIVATION OF CORROSION RESISTANT STEELS AMS 2700 ELECTROLESS NICKEL PLATING AMS-C-26074 7/6/2019 YES 7/6/2019 YES AMS-P-81728 TIN-LEAD PLATING AMS-P-81728 7/6/2019 YES CHROMIUM PLATING AMS-QQ-C-320 7/6/2019 YES PASSIVATION-STAINLESS STEEL AMS-QQ-P-35 7/6/2019 YES CHEM PASSIVATION OF STAINLESS PARTS ASTM A967 & A380 7/6/2019 YES ASTM B 545-97 ELECTRODEPOSIT COATING OF TIN ASTM B545 7/6/2019 YES Descaling & Cleaning Titanium & Titanium Alloy Surfaces ASTM B600 7/6/2019 YES ZINC ELECTROPLATING ASTM B633 7/6/2019 YES ELECTRODEPOSITED SILVER ASTM B700 7/6/2019 YES Electroless Nickel - Phosphorus Coatings ASTM B733 7/6/2019 YES MIL-A-8625 CHROMIC ACID - ALUM ANOD TYPE I, CLASS 1 MIL-A-8625 TYI CL1 7/6/2019 YES MIL-A-8625 CHROMIC ACID - ALUM ANOD TYPE I, CLASS 2 MIL-A-8625 TYI CL2 7/6/2019 YES GD-OTS TIPQA Report Page 117 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

WESTFIELD ELECTROPLATE CO. 6056 68 NORTH ELM STREET WESTFIELD, MA 01086 SCOTT SERRE/Keven Kadelka 413-568-3716 MIL-A-8625 CHROMIC ACID - ALUM ANOD TYPE IB, CLASS 1 MIL-A-8625 TYIB CL1 MIL-A-8625 CHROMIC ACID - ALUM ANOD TYPE IB, CLASS 2 MIL-A-8625 TYIB CL2 7/6/2019 YES 7/6/2019 YES MIL-A-8625 SULFURIC ACID - ALUM ANOD TYPE II CLASS 1 MIL-A-8625 TYII CL1 7/6/2019 YES MIL-A-8625 SULFURIC ACID - ALUM ANOD TYPE II CLASS 2 MIL-A-8625 TYII CL2 7/6/2019 YES MIL-A-8625 HARDCOAT - ALUM ANOD TYPE III, CLASS 1 MIL-A-8625 TYIII CL1 7/6/2019 YES MIL-A-8625 HARDCOAT - ALUM ANOD TYPE III, CLASS 2 MIL-A-8625 TYIII CL2 7/6/2019 YES BLACK OXIDE COATING FERROUS MATERIAL CLASS 1 MIL-C-13924C CL1 7/6/2019 YES BLACK OXIDE COATING FERROUS MATERIAL CLASS 4 MIL-C-13924C CL4 7/6/2019 YES ELECTROLESS NICKEL PLATING MIL-C-26074 7/6/2019 YES CHEMICAL CONVERSION COAT ON ALU MIL-C-5541 7/6/2019 YES BLACK OXIDE COAT FOR FERROUS MAT. MIL-DTL-13924D 7/6/2019 YES PHOSPHATE COATING MIL-DTL-16232 7/6/2019 YES ALUM CHEMICAL FILM TYPE I MIL-DTL-5541 TYI 7/6/2019 YES GD-OTS TIPQA Report Page 118 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

WESTFIELD ELECTROPLATE CO. 6056 68 NORTH ELM STREET WESTFIELD, MA 01086 SCOTT SERRE/Keven Kadelka 413-568-3716 ALUM CHEMICAL FILM TYPE II MIL-DTL-5541 TYII TYPE I TIN ELECTROPLATING MIL-T-10727 TYI 7/6/2019 YES 7/6/2019 YES TYPE II HOT DIP TIN COATING MIL-T-10727 TYPE II 7/6/2019 YES QQ-N-290 NICKEL ELECTROPLATING CLASS 1 QQ-N-290 CL1 7/6/2019 YES QQ-N-290 NICKEL ELECTROPLATING CLASS 2 QQ-N-290 CL2 7/6/2019 YES QQ-P-416F CADMIUM ELECTROPLATING TYPE I QQ-P-416F TYI 7/6/2019 YES QQ-P-416F CADMIUM ELECTROPLATING TYPE II QQ-P-416F TYII 7/6/2019 YES QQ-P-416F CADMIUM ELECTROPLATING TYPE III QQ-P-416F TYIII 7/6/2019 YES QQ-S-365 SILVER ELECTROPLATING TYPE I, GRADE A QQ-S-365 TYI GRDA 7/6/2019 YES QQ-S-365 SILVER ELECTROPLATING TYPE I, GRADE B QQ-S-365 TYI GRDB 7/6/2019 YES QQ-S-365 SILVER ELECTROPLATING TYPE II, GRADE A QQ-S-365 TYII GRDA 7/6/2019 YES QQ-S-365 SILVER ELECTROPLATING TYPE II, GRADE B QQ-S-365 TYII GRDB 7/6/2019 YES GD-OTS TIPQA Report Page 119 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

WILL-MOR MANUFACTURING 8630 153 BATCHELDER ROAD SEABROOK, NH 03874 Bryan Drew 603-474-8971 ext 23 FUSION WELDING FOR AEROSPACE AWS-D-17.1 4/14/2018 YES WINCHESTER TESTING LAB 13264 423 PLEASANT STREET MELROSE, MA 02176 QUALITY MANAGER 781-665-9409 RADIOGRAPHIC INSPECTION ASTM E1742-00 WON IL WELDING WRP Welding Ltd d/b/a Ramick Welding ST0271 71-1 JUNG RI NEASE-UP MASAN CITY, KYU KOREA ST0278 126 Toledo St Farmingdale, NY 11735 QUALITY MANAGER 055-232-9045 TORCH BRAZING MIL-B-7883 TYPE 1 FUSION WELDING FOR AEROSPACE AWS-D-17.1 12/11/2018 NO WYATT SERVICES ST0272 6425 SIMS STERLING HEIGHT, MI 48313 MARK ANDREWS 586-264-8000 HEAT TREAT CARBON & LOW ALLOY STEEL < 220 KSI AMS 2759/1 HEAT TREAT OF LOW-ALLOY STEEL PARTS > 220 KSI AMS 2759/2 4/14/2019 NO 4/14/2019 NO HEAT TREAT PRECIPITATION HARDENING AMS 2759/3 4/14/2019 NO CARBURIZING & HEAT TREAT OF CARB. GR. STEEL AMS 2759/7 4/14/2019 NO HEAT TREAT OF STEEL PARTS, GENERAL REQUIREMENTS AMS 2759 4/14/2019 NO XLI CORPORATION 9738 55 VANGUARD PARKWAY ROCHESTER, NY 14606 Scott Bourgeois 585-436-2250 AWS D1.1 - D17.1 STEEL STRUCTURAL WELDING A10458 AWS D1.1 - D1 8/28/2017 NO GD-OTS TIPQA Report Page 120 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM

XRI TESTING ST0273 1961 THUNDERBIRD TROY, MI 48084 LARRY TODD 248-362-5050 MAGNETIC PARTICLE INSPECTION ASTM E1444 RADIOGRAPHIC INSPECTION ASTM E1742-00 PASSIVATION OF CORROSION RESISTANT STEELS AMS 2700 PASSIVATION-STAINLESS STEEL AMS-QQ-P-35 PASSIVATION ASTM A380 GD-OTS TIPQA Report Page 121 of 121 Report Execution Date/Time 8/24/2016 4:10:13 PM