AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Screw Cap Hexagon H |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 01-371-7944 (013717944) |
| NCB Code | USA (01) |
| Manufacturer | Military Specifications |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| M1222RX8C272SANN | military specifications | screw cap hexagon h | RFQ |
| MIL-S-1222 | military specifications | screw cap hexagon h | RFQ |
| 1/2-13UNC-2A X 4-1/2 | military specifications | screw cap hexagon h | RFQ |
| MIL-DTL-1222 | military specifications | screw cap hexagon h | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AASU | HEAD HEIGHT | 0.302 INCHES MINIMUM AND 0.323 INCHES MAXIMUM |
| AAJD | THREAD CLASS | 2A |
| AASA | THREAD LENGTH | 1.250 INCHES NOMINAL |
| AASK | HEAD STYLE | HEXAGON |
| CQFM | HARDNESS RATING | 95.0 ROCKWELL B MAXIMUM OVERALL |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASB | FASTENER LENGTH | 4.500 INCHES NOMINAL |
| AATB | WIDTH BETWEEN FLATS | 0.736 INCHES MINIMUM AND 0.750 INCHES MAXIMUM |
| AHYM | NOMINAL THREAD DIAMETER | 0.500 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 13 |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| MATT | MATERIAL | STEEL COMP 304 OVERALL |
| Relevant Components for NSN - 5305-01-371-7944, 5305013717944 | ||||
| 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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