AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Bolt Shoulder |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5306 Bolts |
| National Item Identification Number (NIIN) | 01-375-7128 (013757128) |
| NCB Code | USA (01) |
| Manufacturer | Bae Systems Land And Armaments Inc, Steyr Daimler Puch Ag, Bae Systems Tactical Vehicle Systems |
| MRC | Criteria | Characteristic |
|---|---|---|
| MATT | MATERIAL | STEEL OVERALL |
| CQQR | THREAD PITCH IN MILLIMETERS | 1.25 |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASK | HEAD STYLE | HEXAGON |
| CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
| SFTT | SURFACE TREATMENT | ZINC OVERALL |
| AASA | THREAD LENGTH | 12.0 MILLIMETERS MINIMUM AND 13.0 MILLIMETERS MAXIMUM |
| AASB | FASTENER LENGTH | 20.2 MILLIMETERS MINIMUM AND 20.8 MILLIMETERS MAXIMUM |
| AASU | HEAD HEIGHT | 5.4 MILLIMETERS MINIMUM AND 5.6 MILLIMETERS MAXIMUM |
| AATB | WIDTH BETWEEN FLATS | 18.67 MILLIMETERS MINIMUM AND 19.00 MILLIMETERS MAXIMUM |
| AATN | SHOULDER DIAMETER | 12.8 MILLIMETERS MINIMUM FIRST SHOULDER AND 13.2 MILLIMETERS MAXIMUM FIRST SHOULDER |
| AATX | SHOULDER LENGTH | 7.8 MILLIMETERS MINIMUM FIRST SHOULDER AND 8.2 MILLIMETERS MAXIMUM FIRST SHOULDER |
| AHYM | NOMINAL THREAD DIAMETER | 8.0 MILLIMETERS |
| CQWR | EXTERNAL THREAD TOLERANCE CLASS | 6G |
| THSD | THREAD SERIES DESIGNATOR | M |
| Relevant Components for NSN - 5306-01-375-7128, 5306013757128 | ||||
| 5320-01-311-2514 (5320013112514) | 5365-01-606-7886 (5365016067886) | 5310-01-687-5946 (5310016875946) | 5331-01-345-2325 (5331013452325) | |
| 5331-01-137-6352 (5331011376352) | 5340-01-677-5187 (5340016775187) | 5310-01-215-1121 (5310012151121) | 5330-01-558-9303 (5330015589303) | |
| 5320-01-007-1870 (5320010071870) | 5365-00-542-0989 (5365005420989) | 5305-01-279-0723 (5305012790723) | 5315-01-181-8363 (5315011818363) | |
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