| Item Name | Bolt Close Tolerance |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5306 Bolts |
| National Item Identification Number (NIIN) | 01-423-5589 (014235589) |
| NCB Code | USA (01) |
| Manufacturer | Aeronautical Standards Group |
| MRC | Criteria | Characteristic |
|---|---|---|
| THSD | Thread Series Designator | UNF |
| AHYM | Nominal Thread Diameter | 0.375 INCHES |
| AAJD | Thread Class | 3A |
| AASU | Head Height | 0.203 INCHES MINIMUM AND 0.235 INCHES MAXIMUM |
| AASK | Head Style | HEXAGON |
| AAWB | Shank Unthreaded Hole Diameter | 0.106 INCHES MINIMUM FIRST HOLE AND 0.116 INCHES MAXIMUM FIRST HOLE |
| MRC | Decoded Requirement | Clear Text Reply |
| AATB | Width Between Flats | 0.553 INCHES MINIMUM AND 0.565 INCHES MAXIMUM |
| CMLP | Thread Quantity Per Inch | 24 |
| AAJF | Thread Direction | RIGHT-HAND |
| Components Related to NSN - 5306-01-423-5589, 5306014235589 | ||||
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| 5306-01-051-8024 (5306010518024) | 5365-00-997-7495 (5365009977495) | 5360-00-769-7461 (5360007697461) | 5360-01-313-5636 (5360013135636) | |
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