AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Nut Self Locking Castellated Hex |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 01-481-3310 (014813310) |
| NCB Code | USA (01) |
| Manufacturer | Dresser Industries Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| CRTM | Bearing Surface Type | ANY ACCEPTABLE |
| CQJX | Nominal Thread Size | 0.875 INCHES |
| SFTT | Surface Treatment | CADMIUM OVERALL |
| MATT | Material | STEEL OVERALL |
| MRC | Decoded Requirement | Clear Text Reply |
| AAJF | Thread Direction | RIGHT-HAND |
| AAJD | Thread Class | 2B |
| ACTA | Nut Style | CASTELLATED, HEXAGON |
| BZRR | Thread Series | UNC |
| AAUM | Locking Feature | PREVAILING TORQUE WITH METALLIC INSERT |
| ADEA | Nut Height | 0.891 INCHES NOMINAL |
| ASDB | Width Across Flats | 1.312 INCHES NOMINAL |
| CMLP | Thread Quantity Per Inch | 8 |
| Relevant Components for NSN - 5310-01-481-3310, 5310014813310 | ||||
| 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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