| Item Name | Nut Self Locking Extended Washer |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 01-357-7666 (013577666) |
| NCB Code | USA (01) |
| Manufacturer | Leonardo Spa Aerostructure Division, Sps Technologies Inc, Ogden Air Logistics Center |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAUM | LOCKING FEATURE | FREE-RUNNING ALL METAL DESIGN |
| BZRR | THREAD SERIES | UNJF |
| CMLP | THREAD QUANTITY PER INCH | 20 |
| ABKW | OVERALL HEIGHT | 0.539 INCHES MINIMUM AND 0.559 INCHES MAXIMUM |
| AZKQ | TEMP RATING | 450.0 DEG FAHRENHEIT NOMINAL |
| CQFM | HARDNESS RATING | 34.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM |
| MATT | MATERIAL | STEEL OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL |
| SPCL | SPECIAL TEST FEATURES | MUST BE QUALIFIED IN ACCORDANCE WITH APPLICABLE OEM WHEEL QUALIFICATION SPECIFICATION |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MS6280 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| AAJD | THREAD CLASS | 3B |
| ADEM | WASHER THICKNESS | 0.064 INCHES MINIMUM AND 0.084 INCHES MAXIMUM |
| CQJX | NOMINAL THREAD SIZE | 0.500 INCHES |
| CRTL | CRITICALITY CODE JUSTIFICATION | SPCL |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AAVX | WASHER OUTSIDE DIAMETER | 0.813 INCHES MINIMUM AND 0.833 INCHES MAXIMUM |
| ACTA | NUT STYLE | DOUBLE HEXAGON |
| ASDB | WIDTH ACROSS FLATS | 0.616 INCHES MINIMUM AND 0.627 INCHES MAXIMUM |
| FEAT | SPECIAL FEATURES | USED ON (25500) 5002371-4 WHEEL ASSYS OF A-10 MLG ACFT |
| Relevant Components for NSN - 5310-01-357-7666, 5310013577666 | ||||
| 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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