| Item Name | Nut Self Locking Hexagon |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 01-579-4031 (015794031) |
| NCB Code | USA (01) |
| Manufacturer | Southern California Gold Products |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJE | THREAD PITCH DIAMETERS | +0.2764 TO 0.2817 INCHES |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AAUM | LOCKING FEATURE | FREE-RUNNING ALL METAL DESIGN |
| ACTA | NUT STYLE | HEXAGON |
| ADEA | NUT HEIGHT | 0.2656 INCHES NOMINAL |
| AGAV | END ITEM IDENTIFICATION | 2355-01-529-2246; MRAP BUFFALO MK2A2 |
| ASDB | WIDTH ACROSS FLATS | 0.500 INCHES NOMINAL |
| BZRR | THREAD SERIES | UNC |
| CMLP | THREAD QUANTITY PER INCH | 18 |
| CQFM | HARDNESS RATING | 26.0 ROCKWELL C MINIMUM |
| CQJX | NOMINAL THREAD SIZE | 0.3125 INCHES |
| CRTM | BEARING SURFACE TYPE | FLAT |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | 5/16 -18 DISTORTED-THREAD HEX LOCKNUT |
| FEAT | SPECIAL FEATURES | GRADE C STEEL |
| MATT | MATERIAL | STEEL OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL |
| Relevant Components for NSN - 5310-01-579-4031, 5310015794031 | ||||
| 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) | |
If You’re Ever Looking for NSN parts Or Have an Aircraft On Ground Situation, Don’t forget That We offer Competitive Pricing and Guaranteed On-Time Delivery.
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