| 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) | 00-540-2527 (005402527) |
| NCB Code | USA (00) |
| Manufacturer | Fitz Aerospace Llc, Harvard Industries Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3B |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AAUM | LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
| AAVX | WASHER OUTSIDE DIAMETER | 0.910 INCHES MAXIMUM |
| ABKW | OVERALL HEIGHT | 0.313 INCHES NOMINAL |
| ACTA | NUT STYLE | HEXAGON |
| ADEM | WASHER THICKNESS | 0.055 INCHES NOMINAL |
| ASDB | WIDTH ACROSS FLATS | 0.743 INCHES MINIMUM AND 0.755 INCHES MAXIMUM |
| AZKQ | TEMP RATING | 1000.0 DEG FAHRENHEIT MINIMUM |
| BZRR | THREAD SERIES | UNJF |
| CMLP | THREAD QUANTITY PER INCH | 18 |
| CQFM | HARDNESS RATING | 46.0 ROCKWELL C MAXIMUM |
| CQJX | NOMINAL THREAD SIZE | 0.625 INCHES |
| FEAT | SPECIAL FEATURES | 6 SLOTS IN TOP OF NUT 0.156-0.186 IN. W X 0.125 IN. DEEP |
| MATT | MATERIAL | IRON ALLOY 660 OVERALL |
| SFTT | SURFACE TREATMENT | SILVER OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2410 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Relevant Components for NSN - 5310-00-540-2527, 5310005402527 | ||||
| 5315-01-392-6539 (5315013926539) | 5305-00-370-0922 (5305003700922) | 5330-00-108-1053 (5330001081053) | 5305-00-282-3260 (5305002823260) | |
| 5310-00-825-0783 (5310008250783) | 5365-01-200-6930 (5365012006930) | 5340-01-352-9365 (5340013529365) | 5330-01-231-5219 (5330012315219) | |
| 5331-01-452-9668 (5331014529668) | 5305-00-151-8683 (5305001518683) | 5320-00-323-6041 (5320003236041) | 5330-00-516-3829 (5330005163829) | |
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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