| Item Name | Bolt Square Neck |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5306 Bolts |
| National Item Identification Number (NIIN) | 00-207-8137 (002078137) |
| NCB Code | USA (00) |
| Manufacturer | Department Of The Air Force, Federal Specifications |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| 70-6-12 | department of the air force | bolt square neck | 80049 | RFQ |
| FFB571TYPEC | federal specifications | bolt square neck | 81348 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 2A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.625 INCHES MINIMUM |
| AASB | FASTENER LENGTH | 1.219 INCHES MINIMUM AND 1.281 INCHES MAXIMUM |
| AASK | HEAD STYLE | BUTTON |
| AASL | HEAD DIAMETER | 0.803 INCHES MINIMUM AND 0.823 INCHES MAXIMUM |
| AASU | HEAD HEIGHT | 0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM |
| AGQB | NECK LENGTH | 0.250 INCHES MINIMUM AND 0.312 INCHES MAXIMUM |
| AHYM | NOMINAL THREAD DIAMETER | 0.375 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 16 |
| CQBC | MINIMUM TENSILE STRENGTH | 48000 POUNDS PER SQUARE INCH |
| CWXQ | NECK WIDTH | 0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM |
| FEAT | SPECIAL FEATURES | FURNISHED WITH SQUARE NUT |
| MATT | MATERIAL | STEEL OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| Components Related to NSN - 5306-00-207-8137, 5306002078137 | ||||
| 5340-01-631-5368 (5340016315368) | 5330-01-297-3590 (5330012973590) | 5360-00-245-2131 (5360002452131) | 5365-01-571-1663 (5365015711663) | |
| 5342-01-255-3551 (5342012553551) | 5330-01-556-4440 (5330015564440) | 5330-01-613-3472 (5330016133472) | 5342-01-259-3873 (5342012593873) | |
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