| Item Name | Bolt Externally Relieved Body |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5306 Bolts |
| National Item Identification Number (NIIN) | 01-159-8911 (011598911) |
| NCB Code | USA (01) |
| Manufacturer | Rolls Royce Corporation, Rolls Royce Marine |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.307 INCHES NOMINAL |
| AASB | FASTENER LENGTH | 0.649 INCHES NOMINAL |
| AASK | HEAD STYLE | DEE CHAMFER |
| AASL | HEAD DIAMETER | 0.512 INCHES NOMINAL |
| AASU | HEAD HEIGHT | 0.150 INCHES NOMINAL |
| AASY | DISTANCE FROM CENTERLINE TO FLAT | 0.192 INCHES NOMINAL |
| AAWC | FIRST DIAMETER FROM HEAD | 0.260 INCHES NOMINAL |
| AAWD | SECOND DIAMETER FROM HEAD | 0.082 INCHES NOMINAL |
| AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| CSNG | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 2 |
| MATT | MATERIAL | STEEL OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
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| 5330-01-696-0897 (5330016960897) | 5330-01-561-7601 (5330015617601) | 5342-00-408-9183 (5342004089183) | 5310-00-981-2299 (5310009812299) | |
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