| Item Name | Bolt Shoulder |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5306 Bolts |
| National Item Identification Number (NIIN) | 00-409-0597 (004090597) |
| NCB Code | USA (00) |
| Manufacturer | Nato Stock Number Assigned Byanother, British Aerospace Inc, Bae Systems Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 2A |
| AASA | THREAD LENGTH | 0.420 INCHES MINIMUM |
| AASB | FASTENER LENGTH | 2.000 INCHES MINIMUM AND 2.010 INCHES MAXIMUM |
| AASK | HEAD STYLE | HEXAGON |
| AASU | HEAD HEIGHT | 0.330 INCHES NOMINAL |
| AATB | WIDTH BETWEEN FLATS | 0.741 INCHES MINIMUM AND 0.750 INCHES MAXIMUM |
| AATN | SHOULDER DIAMETER | 0.624 INCHES MINIMUM FIRST SHOULDER AND 0.625 INCHES MAXIMUM FIRST SHOULDER |
| AATX | SHOULDER LENGTH | 1.450 INCHES MINIMUM FIRST SHOULDER AND 1.460 INCHES MAXIMUM FIRST SHOULDER |
| AHYM | NOMINAL THREAD DIAMETER | 0.500 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 20 |
| CRZS | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 1.820 INCHES MINIMUM FIRST HOLE AND 1.830 INCHES MAXIMUM FIRST HOLE |
| CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| Components Related to NSN - 5306-00-409-0597, 5306004090597 | ||||
| 5330-01-334-7310 (5330013347310) | 5365-00-969-6150 (5365009696150) | 5310-01-669-3902 (5310016693902) | 5340-01-413-2057 (5340014132057) | |
| 5325-00-364-9598 (5325003649598) | 5360-00-567-5070 (5360005675070) | 5340-01-491-4788 (5340014914788) | 5340-01-026-3025 (5340010263025) | |
| 5365-01-155-7183 (5365011557183) | 5355-00-492-8457 (5355004928457) | 5365-00-145-1236 (5365001451236) | 5307-00-245-8721 (5307002458721) | |
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