| Item Name | Bolt Shoulder |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5306 Bolts |
| National Item Identification Number (NIIN) | 00-281-8299 (002818299) |
| NCB Code | USA (00) |
| Manufacturer | Axletech International Llc, Rockwell International Corp, Hme Inc, Meritor Automotive Ltd, Corbitt Co Inc, Napco International Llc, Diamond Reo Trucks Inc |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| 10X156 | axletech international llc | bolt shoulder | 3d6e9 | RFQ |
| 10X156 | rockwell international corp | bolt shoulder | 97286 | RFQ |
| 10X156 | hme inc | bolt shoulder | 28158 | RFQ |
| 10X156 | meritor automotive ltd | bolt shoulder | 79780 | RFQ |
| 10X156 | corbitt co inc | bolt shoulder | 72260 | RFQ |
| 11A7050 | napco international llc | bolt shoulder | 95201 | RFQ |
| BB6273 | diamond reo trucks inc | bolt shoulder | 56442 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 2A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.395 INCHES MINIMUM AND 0.405 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 0.750 INCHES NOMINAL |
| AASK | HEAD STYLE | HEXAGON |
| AASU | HEAD HEIGHT | 0.375 INCHES NOMINAL |
| AATB | WIDTH BETWEEN FLATS | 0.750 INCHES NOMINAL |
| AATN | SHOULDER DIAMETER | 0.493 INCHES MINIMUM FIRST SHOULDER AND 0.498 INCHES MAXIMUM FIRST SHOULDER |
| AATX | SHOULDER LENGTH | 0.265 INCHES MINIMUM FIRST SHOULDER AND 0.275 INCHES MAXIMUM FIRST SHOULDER |
| AAUB | HOLE DIAMETER | 0.125 INCHES NOMINAL |
| AHYM | NOMINAL THREAD DIAMETER | 0.437 INCHES |
| ASXK | HOLE QUANTITY | 1 |
| BQDM | HOLE TYPE | DRILLED |
| CMLP | THREAD QUANTITY PER INCH | 14 |
| CQFM | HARDNESS RATING | 241.0 BRINELL STANDARD MINIMUM OVERALL AND 286.0 BRINELL STANDARD MAXIMUM OVERALL |
| CRHC | HOLE CONFIGURATION STYLE | HEXAGON FLATS |
| CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
| FEAT | SPECIAL FEATURES | UNDERCUT BETWEEN THREAD AND SHOULDER 0.080 IN. W |
| MATT | MATERIAL | STEEL COMP 1035 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| Components Related to NSN - 5306-00-281-8299, 5306002818299 | ||||
| 5315-01-076-2969 (5315010762969) | 5325-00-543-3429 (5325005433429) | 5340-00-196-3675 (5340001963675) | 5360-01-424-6607 (5360014246607) | |
| 5310-00-084-4232 (5310000844232) | 5365-01-532-4588 (5365015324588) | 5340-01-654-3113 (5340016543113) | 5305-01-143-8635 (5305011438635) | |
| 5340-01-332-8256 (5340013328256) | 5360-00-558-5147 (5360005585147) | 5306-01-234-3071 (5306012343071) | 5305-01-175-6588 (5305011756588) | |
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