| Item Name | Bolt Internally Relieved Body |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5306 Bolts |
| National Item Identification Number (NIIN) | 00-857-8358 (008578358) |
| NCB Code | USA (00) |
| Manufacturer | Allison Transmission Inc, Rolls Royce Corporation |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AASA | THREAD LENGTH | 0.541 INCHES MINIMUM |
| AASB | FASTENER LENGTH | 2.110 INCHES NOMINAL |
| AASL | HEAD DIAMETER | 0.770 INCHES NOMINAL |
| AASU | HEAD HEIGHT | 0.125 INCHES NOMINAL |
| AASY | DISTANCE FROM CENTERLINE TO FLAT | 0.305 INCHES MINIMUM AND 0.310 INCHES MAXIMUM |
| AAVH | SHOULDER DIAMETER | 0.499 INCHES NOMINAL |
| AAVK | SHOULDER LENGTH | 1.569 INCHES NOMINAL |
| AAWX | CONCENTRIC HOLE DEPTH | 1.520 INCHES NOMINAL |
| AAXC | CONCENTRIC HOLE DIAMETER | 0.341 INCHES MINIMUM AND 0.354 INCHES MAXIMUM |
| AHYM | NOMINAL THREAD DIAMETER | 0.312 INCHES |
| CQFM | HARDNESS RATING | 24.0 ROCKWELL C MINIMUM OVERALL AND 30.0 ROCKWELL C MAXIMUM OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6415 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM THREADS |
| STYL | STYLE DESIGNATOR | CONCENTRIC HOLE UNTHREADED |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASK | HEAD STYLE | DEE CHAMFER |
| CMLP | THREAD QUANTITY PER INCH | 24 |
| MATT | MATERIAL | STEEL COMP 4340 OVERALL |
| Relevant Components for NSN - 5306-00-857-8358, 5306008578358 | ||||
| 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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