| Item Name | Bolt Shoulder |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5306 Bolts |
| National Item Identification Number (NIIN) | 00-855-1972 (008551972) |
| NCB Code | USA (00) |
| Manufacturer | Allison Transmission Inc, Rolls Royce Corporation |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AASB | FASTENER LENGTH | 2.030 INCHES NOMINAL |
| AASU | HEAD HEIGHT | 0.500 INCHES NOMINAL |
| AATC | EXTENDED WASHER DIAMETER | 0.875 INCHES NOMINAL |
| AATD | EXTENDED WASHER THICKNESS | 0.080 INCHES NOMINAL |
| AATX | SHOULDER LENGTH | 1.290 INCHES NOMINAL FIRST SHOULDER |
| AAWB | SHANK UNTHREADED HOLE DIAMETER | 0.141 INCHES NOMINAL FIRST HOLE |
| AHYM | NOMINAL THREAD DIAMETER | 0.562 INCHES |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5708 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.740 INCHES MINIMUM |
| AASK | HEAD STYLE | HEXAGON EXTENDED WASHER |
| AATB | WIDTH BETWEEN FLATS | 0.553 INCHES MINIMUM AND 0.564 INCHES MAXIMUM |
| AATN | SHOULDER DIAMETER | 0.624 INCHES NOMINAL FIRST SHOULDER |
| CMLP | THREAD QUANTITY PER INCH | 18 |
| CRZS | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 1.872 INCHES NOMINAL FIRST HOLE |
| CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
| MATT | MATERIAL | NICKEL ALLOY OVERALL |
| Components Related to NSN - 5306-00-855-1972, 5306008551972 | ||||
| 5330-01-334-7310 (5330013347310) | 5365-00-969-6150 (5365009696150) | 5310-01-669-3902 (5310016693902) | 5340-01-413-2057 (5340014132057) | |
| 5325-00-364-9598 (5325003649598) | 5360-00-567-5070 (5360005675070) | 5340-01-491-4788 (5340014914788) | 5340-01-026-3025 (5340010263025) | |
| 5365-01-155-7183 (5365011557183) | 5355-00-492-8457 (5355004928457) | 5365-00-145-1236 (5365001451236) | 5307-00-245-8721 (5307002458721) | |
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