| 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) | 01-424-2375 (014242375) |
| NCB Code | USA (01) |
| Manufacturer | Boeing Company The, Sps Technologies Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| PMLC | Precious Material And Location | OVERALL SILVER |
| AAJF | Thread Direction | RIGHT-HAND |
| AAJD | Thread Class | 3B |
| PRMT | Precious Material | SILVER |
| SFTT | Surface Treatment | SILVER OVERALL |
| MATT | Material | IRON ALLOY 660 OVERALL |
| MDCL | Material Document And Classification | AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| CQJX | Nominal Thread Size | 1.000 INCHES |
| ACTA | Nut Style | CASTELLATED, HEXAGON |
| STDC | Surface Treatment Document And Classification | AMS2410 ASSN STD SINGLE TREATMENT RESPONSE OVERALL AND AMS2411 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| BZRR | Thread Series | UNJF |
| CRTM | Bearing Surface Type | CHAMFERED |
| MRC | Decoded Requirement | Clear Text Reply |
| AAUM | Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| ADEA | Nut Height | 1.000 INCHES NOMINAL |
| CQFM | Hardness Rating | 46.0 ROCKWELL C MAXIMUM |
| ASDB | Width Across Flats | 1.110 INCHES MINIMUM AND 1.130 INCHES MAXIMUM |
| CMLP | Thread Quantity Per Inch | 12 |
| Relevant Components for NSN - 5310-01-424-2375, 5310014242375 | ||||
| 5320-01-093-5687 (5320010935687) | 5340-00-286-8500 (5340002868500) | 5310-00-797-4430 (5310007974430) | 5331-01-548-6940 (5331015486940) | |
| 5340-01-389-2408 (5340013892408) | 5340-01-499-3481 (5340014993481) | 5310-01-418-9739 (5310014189739) | 5320-01-419-8697 (5320014198697) | |
| 5340-01-681-6722 (5340016816722) | 5340-01-620-4639 (5340016204639) | 5340-01-481-2087 (5340014812087) | 5331-01-097-0869 (5331010970869) | |
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