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) | 01-337-3257 (013373257) |
| NCB Code | USA (01) |
| Manufacturer | Zf Industrieantriebe Witten Gmbh, Federal Specifications, American National Standards |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| FF S 86 TY6 31 2 18UNC 3AX 875 | zf industrieantriebe witten gmbh | screw cap socket head | RFQ |
| FF-S-86 | federal specifications | screw cap socket head | RFQ |
| 0-312-18UNC X 0-875-NICU | american national standards | screw cap socket head | RFQ |
| 695049 | zf industrieantriebe witten gmbh | screw cap socket head | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AASA | THREAD LENGTH | 0.764 INCHES MINIMUM AND 0.875 INCHES MAXIMUM |
| AASL | HEAD DIAMETER | 0.457 INCHES MINIMUM AND 0.469 INCHES MAXIMUM |
| AHYM | NOMINAL THREAD DIAMETER | 0.312 INCHES |
| ASDB | WIDTH ACROSS FLATS | 0.250 INCHES NOMINAL |
| CQBC | MINIMUM TENSILE STRENGTH | 80000 POUNDS PER SQUARE INCH |
| CQHQ | MINIMUM YIELD STRENGTH | 40000 POUNDS PER SQUARE INCH |
| MATT | MATERIAL | NICKEL ALLOY 400 OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| AAJD | THREAD CLASS | 3A |
| CMLP | THREAD QUANTITY PER INCH | 18 |
| AASB | FASTENER LENGTH | 0.875 INCHES NOMINAL |
| AASU | HEAD HEIGHT | 0.306 INCHES MINIMUM AND 0.312 INCHES MAXIMUM |
| ABQZ | INTERNAL DRIVE STYLE | HEXAGON |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASK | HEAD STYLE | FLAT CHAMFER |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-281,CLA FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Relevant Components for NSN - 5305-01-337-3257, 5305013373257 | ||||
| 5340-01-131-8536 (5340011318536) | 5306-01-438-9363 (5306014389363) | 5306-00-839-1951 (5306008391951) | 5330-00-854-3797 (5330008543797) | |
| 5330-99-729-7553 (5330997297553) | 5306-01-710-7805 (5306017107805) | 5310-01-125-4124 (5310011254124) | 5315-01-514-6048 (5315015146048) | |
| 5306-00-009-5138 (5306000095138) | 5340-01-575-9010 (5340015759010) | 5305-00-130-4358 (5305001304358) | 5310-01-513-5337 (5310015135337) | |
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