| 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 |
| Relevant Components for NSN - 5306-01-491-1514, 5306014911514 | ||||
| 5320-01-093-5687 (5320010935687) | 5340-00-286-8500 (5340002868500) | 5310-00-797-4430 (5310007974430) | 5331-01-548-6940 (5331015486940) | |
| 5340-01-389-2408 (5340013892408) | 5340-01-499-3481 (5340014993481) | 5310-01-418-9739 (5310014189739) | 5320-01-419-8697 (5320014198697) | |
| 5340-01-681-6722 (5340016816722) | 5340-01-620-4639 (5340016204639) | 5340-01-481-2087 (5340014812087) | 5331-01-097-0869 (5331010970869) | |
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