| 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) | 01-137-8981 (011378981) |
| NCB Code | USA (01) |
| Manufacturer | Sps Technologies Inc, Alcoa Global Fasteners Inc, Harvard Industries Inc, Boeing Company The |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| 78351-820 | sps technologies inc | nut self locking extended washer | 56878 | RFQ |
| H50675-8 | alcoa global fasteners inc | nut self locking extended washer | 15653 | RFQ |
| LH12343-8 | harvard industries inc | nut self locking extended washer | 72962 | RFQ |
| ST3M737-8 | boeing company the | nut self locking extended washer | 76301 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 2B |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AAUM | LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
| AAVX | WASHER OUTSIDE DIAMETER | 0.880 INCHES MAXIMUM |
| ABAJ | LUBRICATION | DRY FILM LUBRICANT |
| ABKW | OVERALL HEIGHT | 0.578 INCHES MAXIMUM |
| ACTA | NUT STYLE | DOUBLE HEXAGON |
| ADEM | WASHER THICKNESS | 0.090 INCHES NOMINAL |
| ASDB | WIDTH ACROSS FLATS | 0.553 INCHES MINIMUM AND 0.565 INCHES MAXIMUM |
| AZKQ | TEMP RATING | 450.0 DEG FAHRENHEIT MAXIMUM |
| BZRR | THREAD SERIES | UNJF |
| CMLP | THREAD QUANTITY PER INCH | 20 |
| CQFM | HARDNESS RATING | 45.0 ROCKWELL C MAXIMUM |
| CQJX | NOMINAL THREAD SIZE | 0.500 INCHES |
| MATT | MATERIAL | STEEL COMP 601 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6304 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2401 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Components Related to NSN - 5310-01-137-8981, 5310011378981 | ||||
| 5305-01-222-7769 (5305012227769) | 5365-01-044-5936 (5365010445936) | 5331-01-276-7349 (5331012767349) | 5340-00-536-5281 (5340005365281) | |
| 5365-00-550-5464 (5365005505464) | 5305-01-209-8688 (5305012098688) | 5340-01-624-2067 (5340016242067) | 5340-01-214-3681 (5340012143681) | |
| 5330-01-166-9520 (5330011669520) | 5306-00-528-5534 (5306005285534) | 5307-00-307-2340 (5307003072340) | 5340-01-382-3018 (5340013823018) | |
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