| Item Name | Bolt Internally Relieved Body |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5306 Bolts |
| National Item Identification Number (NIIN) | 00-445-7253 (004457253) |
| NCB Code | USA (00) |
| Manufacturer | Tokyo Judogi Kogyo Co, Turbo Power And Marine System Inc, United Technologies Corporation |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.275 INCHES MINIMUM AND 0.285 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 0.655 INCHES NOMINAL |
| AASK | HEAD STYLE | HEXAGON |
| AASU | HEAD HEIGHT | 0.180 INCHES MINIMUM AND 0.190 INCHES MAXIMUM |
| AATB | WIDTH BETWEEN FLATS | 1.106 INCHES MINIMUM AND 1.127 INCHES MAXIMUM |
| AAWY | COUNTERBORE DIAMETER | 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM |
| AAWZ | COUNTERBORE DEPTH | 0.110 INCHES MINIMUM AND 0.120 INCHES MAXIMUM |
| AAXC | CONCENTRIC HOLE DIAMETER | 0.440 INCHES NOMINAL |
| AHYM | NOMINAL THREAD DIAMETER | 0.625 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 18 |
| CQFM | HARDNESS RATING | 35.0 ROCKWELL C MINIMUM OVERALL AND 40.0 ROCKWELL C MAXIMUM OVERALL |
| MATT | MATERIAL | STEEL CORROSION RESISTING OVERALL |
| STYL | STYLE DESIGNATOR | COUNTERBORE UNTHREADED |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| Components Related to NSN - 5306-00-445-7253, 5306004457253 | ||||
| 5310-01-086-7875 (5310010867875) | 5306-01-626-1829 (5306016261829) | 5365-01-633-9077 (5365016339077) | 5355-00-870-0653 (5355008700653) | |
| 5330-00-143-3535 (5330001433535) | 5330-00-631-8220 (5330006318220) | 5305-01-696-3523 (5305016963523) | 5305-01-275-0515 (5305012750515) | |
| 5331-01-398-8586 (5331013988586) | 5325-01-608-8422 (5325016088422) | 5306-01-646-1547 (5306016461547) | 5360-01-651-5511 (5360016515511) | |
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