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) | 01-407-3521 (014073521) |
| NCB Code | USA (01) |
| Manufacturer | Military Specifications, Timken Gears And Services Inc, American National Standards |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| MIL-S-1222 | military specifications | screw cap socket head | RFQ |
| 01080-0403LOC8-13 | timken gears and services inc | screw cap socket head | RFQ |
| M1222SN5C212GANN | military specifications | screw cap socket head | RFQ |
| 0.31218UNC2A0.750T2GB7SEA | military specifications | screw cap socket head | RFQ |
| MIL-DTL-1222 | military specifications | screw cap socket head | RFQ |
| 0.31218UNC2A0.750T2GB7SEA | american national standards | screw cap socket head | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AASK | Head Style | FLAT CHAMFER |
| AHYM | Nominal Thread Diameter | 0.312 INCHES |
| AAJF | Thread Direction | RIGHT-HAND |
| THSD | Thread Series Designator | UNC |
| AASB | Fastener Length | 0.750 INCHES NOMINAL |
| ABQZ | Internal Drive Style | HEXAGON |
| ASDB | Width Across Flats | 0.250 INCHES NOMINAL |
| AASL | Head Diameter | 0.457 INCHES MINIMUM AND 0.469 INCHES MAXIMUM |
| AAJD | Thread Class | 2A |
| MRC | Decoded Requirement | Clear Text Reply |
| AASA | Thread Length | 0.750 INCHES NOMINAL |
| ZZZT | Nondefinitive Spec/Std Data | 2 TYPE AND B7 GRADE |
| CMLP | Thread Quantity Per Inch | 18 |
| MDCL | Material Document And Classification | ASTM A193 GRADE B7 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| AASU | Head Height | 0.306 INCHES MINIMUM AND 0.312 INCHES MAXIMUM |
| MATT | Material | STEEL COMP 4140 AND STEEL COMP 4142 AND STEEL COMP 4145 OVERALL |
| Relevant Components for NSN - 5305-01-407-3521, 5305014073521 | ||||
| 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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