AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Bolt Ribbed Shoulder |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5306 Bolts |
| National Item Identification Number (NIIN) | 00-467-3010 (004673010) |
| NCB Code | USA (00) |
| Manufacturer | Meritor Heavy Vehicle Braking System, Zf Industrieantriebe Witten Gmbh, New Progress Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 2A |
| AAJF | THREAD DIRECTION | LEFT-HAND |
| AASA | THREAD LENGTH | 1.188 INCHES NOMINAL |
| AASB | FASTENER LENGTH | 2.875 INCHES NOMINAL |
| AASK | HEAD STYLE | DRIVE |
| AASL | HEAD DIAMETER | 1.250 INCHES NOMINAL |
| AASU | HEAD HEIGHT | 0.188 INCHES NOMINAL |
| AATN | SHOULDER DIAMETER | 0.775 INCHES NOMINAL FIRST SHOULDER |
| AATX | SHOULDER LENGTH | 1.500 INCHES NOMINAL FIRST SHOULDER |
| AAVP | RIB MAJOR DIAMETER | 0.812 INCHES NOMINAL |
| AAVQ | RIB LENGTH | 0.500 INCHES NOMINAL |
| AAVR | DISTANCE FROM LARGEST DIAMETER OF BEARING SURFACE OF HEAD TO RIBS | 0.590 INCHES NOMINAL |
| AAVT | RIB MINOR DIAMETER | 0.750 INCHES NOMINAL |
| AAVU | RIB QUANTITY | 33 |
| AHYM | NOMINAL THREAD DIAMETER | 0.750 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 16 |
| CRKB | RIB INCLUDED ANGLE | 60.0 DEGREES NOMINAL |
| CWYB | SHOULDER SHAPE | RIBBED FIRST SHOULDER |
| MATT | MATERIAL | STEEL OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| Relevant Components for NSN - 5306-00-467-3010, 5306004673010 | ||||
| 5305-01-642-0405 (5305016420405) | 5340-01-469-1045 (5340014691045) | 5315-01-562-5736 (5315015625736) | 5315-01-575-7397 (5315015757397) | |
| 5310-00-347-0214 (5310003470214) | 5320-01-073-2961 (5320010732961) | 5342-01-117-9590 (5342011179590) | 5355-00-201-5369 (5355002015369) | |
| 5305-01-321-3806 (5305013213806) | 5330-00-256-6918 (5330002566918) | 5365-01-625-0045 (5365016250045) | 5310-01-593-4780 (5310015934780) | |
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