| Item Name | Bolt Close Tolerance |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5306 Bolts |
| National Item Identification Number (NIIN) | 00-533-4439 (005334439) |
| NCB Code | USA (00) |
| Manufacturer | Aeronautical Standards Group |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAUR | Grip Diameter | 0.3737 INCHES MINIMUM AND 0.3742 INCHES MAXIMUM |
| FEAT | Special Features | FLEET BALLISTIC MISSILE QUALITY AS IDENTIFY BY QUALITY CONTROL NO. POSO903322 |
| SFTT | Surface Treatment | CADMIUM OVERALL |
| AATB | Width Between Flats | 0.553 INCHES MINIMUM AND 0.565 INCHES MAXIMUM |
| AASK | Head Style | HEXAGON |
| THSD | Thread Series Designator | UNF |
| MATT | Material | STEEL OVERALL |
| CQFM | Hardness Rating | 32.0 ROCKWELL C MINIMUM OVERALL AND 37.0 ROCKWELL C MAXIMUM OVERALL |
| AAWB | Shank Unthreaded Hole Diameter | 0.106 INCHES NOMINAL FIRST HOLE |
| ANEE | Grip Length | 0.812 INCHES NOMINAL |
| AASB | Fastener Length | 1.453 INCHES NOMINAL |
| AAJF | Thread Direction | RIGHT-HAND |
| AHYM | Nominal Thread Diameter | 0.375 INCHES |
| AASA | Thread Length | 0.641 INCHES MINIMUM |
| MRC | Decoded Requirement | Clear Text Reply |
| AASU | Head Height | 0.203 INCHES MINIMUM AND 0.235 INCHES MAXIMUM |
| CQBC | Minimum Tensile Strength | 125000 POUNDS PER SQUARE INCH |
| CBBL | Features Provided | FINISHED HEAD |
| CRZS | Distance From Head Largest Bearing Surface To Shank Hole Center | 1.249 INCHES NOMINAL FIRST HOLE |
| AAJD | Thread Class | 3A |
| ZZZW | Departure From Cited Document | AS MODIFIED BY SPECIAL FEATURES |
| CMLP | Thread Quantity Per Inch | 24 |
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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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