| Item Name | Nut Self Locking Extended Washer Double Hexagon |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 00-941-0209 (009410209) |
| NCB Code | USA (00) |
| Manufacturer | Fitz Aerospace Llc, United Technologies Corporation |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABKW | OVERALL HEIGHT | 0.396 INCHES MINIMUM AND 0.411 INCHES MAXIMUM |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 573 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| CQJX | NOMINAL THREAD SIZE | 0.250 INCHES |
| SR-5 | THE MANUFACTURERS DATA | |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| CRSQ | COUNTERSINK ANGLE | ANY ACCEPTABLE NUT |
| AAVX | WASHER OUTSIDE DIAMETER | 0.443 INCHES MAXIMUM |
| AZKQ | TEMP RATING | 1200.0 DEG FAHRENHEIT NOMINAL |
| PRMT | PRECIOUS MATERIAL | SILVER |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2410 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | SILVER OVERALL |
| AAJD | THREAD CLASS | 3BG |
| CQFM | HARDNESS RATING | NOT RATED |
| BZRR | THREAD SERIES | UNJF |
| ADEM | WASHER THICKNESS | 0.060 INCHES MINIMUM AND 0.080 INCHES MAXIMUM |
| SR-5 | MANUFACTURERS CODE | 77445 |
| MATT | MATERIAL | STEEL OVERALL |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| AAUM | LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
| ACTA | NUT STYLE | DOUBLE HEXAGON |
| ASDB | WIDTH ACROSS FLATS | 0.368 INCHES MINIMUM AND 0.378 INCHES MAXIMUM |
| SR-5 | DESIGN CONTROL REFERENCE | 490271 |
| Relevant Components for NSN - 5310-00-941-0209, 5310009410209 | ||||
| 5310-01-011-9703 (5310010119703) | 5310-01-631-4489 (5310016314489) | 5310-00-020-9053 (5310000209053) | 5310-01-041-3831 (5310010413831) | |
| 5310-01-180-5326 (5310011805326) | 5310-01-187-5440 (5310011875440) | 5310-00-092-6831 (5310000926831) | 5310-01-210-4885 (5310012104885) | |
| 5310-00-474-5240 (5310004745240) | 5310-00-474-3114 (5310004743114) | 5310-00-159-9146 (5310001599146) | 5310-01-528-9271 (5310015289271) | |
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