AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Screw Cap Socket Head |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 00-983-5338 (009835338) |
| NCB Code | USA (00) |
| Manufacturer | Military Standards Corp, National Aerospace Standards Com, Zf Industrieantriebe Witten Gmbh, Eaton Aerospace Ltd |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| MS16997-107 | military standards corp | screw cap socket head | RFQ |
| NAS1352-6-48P | national aerospace standards com | screw cap socket head | RFQ |
| 8-128-503-00 | zf industrieantriebe witten gmbh | screw cap socket head | RFQ |
| NAS1352-6-49P | national aerospace standards com | screw cap socket head | RFQ |
| 845946 ITEM 3 | eaton aerospace ltd | screw cap socket head | RFQ |
| 690372 | eaton aerospace ltd | screw cap socket head | RFQ |
| 3X52 | zf industrieantriebe witten gmbh | screw cap socket head | RFQ |
| NAM1352-6-489 | national aerospace standards com | screw cap socket head | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 1.440 INCHES MINIMUM AND 1.500 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 2.940 INCHES MINIMUM AND 3.000 INCHES MAXIMUM |
| AASK | HEAD STYLE | FLAT CHAMFER |
| AASL | HEAD DIAMETER | 0.550 INCHES MINIMUM AND 0.568 INCHES MAXIMUM |
| AASU | HEAD HEIGHT | 0.368 INCHES MINIMUM AND 0.375 INCHES MAXIMUM |
| ABQZ | INTERNAL DRIVE STYLE | HEXAGON |
| AHYM | NOMINAL THREAD DIAMETER | 0.375 INCHES |
| ASDB | WIDTH ACROSS FLATS | 0.312 INCHES MINIMUM AND 0.316 INCHES MAXIMUM |
| CMLP | THREAD QUANTITY PER INCH | 16 |
| CQBC | MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
| CQFM | HARDNESS RATING | 36.0 ROCKWELL C MINIMUM OVERALL AND 45.0 ROCKWELL C MAXIMUM OVERALL |
| CQHQ | MINIMUM YIELD STRENGTH | 130000 POUNDS PER SQUARE INCH |
| MATT | MATERIAL | STEEL OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL AND CHROMATE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| Relevant Components for NSN - 5305-00-983-5338, 5305009835338 | ||||
| 5331-01-657-5231 (5331016575231) | 5330-01-205-4045 (5330012054045) | 5315-01-471-7425 (5315014717425) | 5340-01-529-8563 (5340015298563) | |
| 5365-01-410-8416 (5365014108416) | 5310-00-021-9774 (5310000219774) | 5330-01-647-7489 (5330016477489) | 5310-01-197-3340 (5310011973340) | |
| 5365-00-958-7449 (5365009587449) | 5340-01-481-5050 (5340014815050) | 5310-00-619-4502 (5310006194502) | 5340-00-293-6497 (5340002936497) | |
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