| Item Name | Bolt Shoulder |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5306 Bolts |
| National Item Identification Number (NIIN) | 01-491-1514 (014911514) |
| NCB Code | USA (01) |
| Manufacturer | Thomas Instrument Incorporated |
| MRC | Criteria | Characteristic |
|---|---|---|
| MATT | Material | STEEL COMP 4340 OVERALL |
| AAJD | Thread Class | 3A |
| AHYM | Nominal Thread Diameter | 0.250 INCHES |
| AATB | Width Between Flats | 0.560 INCHES NOMINAL |
| AASK | Head Style | HEXAGON |
| AATX | Shoulder Length | 0.598 INCHES MINIMUM SECOND SHOULDER AND 0.608 INCHES MAXIMUM SECOND SHOULDER |
| AASA | Thread Length | 0.287 INCHES NOMINAL |
| AATN | Shoulder Diameter | 0.3750 INCHES MINIMUM FIRST SHOULDER AND 0.3753 INCHES MAXIMUM FIRST SHOULDER |
| CWYB | Shoulder Shape | ROUND SECOND SHOULDER |
| MRC | Decoded Requirement | Clear Text Reply |
| AASB | Fastener Length | 1.380 INCHES NOMINAL |
| THSD | Thread Series Designator | UNF |
| AATN | Shoulder Diameter | 0.2490 INCHES MINIMUM SECOND SHOULDER AND 0.2493 INCHES MAXIMUM SECOND SHOULDER |
| MDCL | Material Document And Classification | AMS6415 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| AATX | Shoulder Length | 0.485 INCHES MAXIMUM FIRST SHOULDER AND 0.495 INCHES MAXIMUM FIRST SHOULDER |
| AASU | Head Height | 0.188 INCHES NOMINAL |
| AAJF | Thread Direction | RIGHT-HAND |
| CWYB | Shoulder Shape | ROUND FIRST SHOULDER |
| CMLP | Thread Quantity Per Inch | 28 |
| Components Related to NSN - 5306-01-491-1514, 5306014911514 | ||||
| 5315-01-076-2969 (5315010762969) | 5325-00-543-3429 (5325005433429) | 5340-00-196-3675 (5340001963675) | 5360-01-424-6607 (5360014246607) | |
| 5310-00-084-4232 (5310000844232) | 5365-01-532-4588 (5365015324588) | 5340-01-654-3113 (5340016543113) | 5305-01-143-8635 (5305011438635) | |
| 5340-01-332-8256 (5340013328256) | 5360-00-558-5147 (5360005585147) | 5306-01-234-3071 (5306012343071) | 5305-01-175-6588 (5305011756588) | |
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