| Item Name | Washer Key |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 00-516-8899 (005168899) |
| NCB Code | USA (00) |
| Manufacturer | Army United States Department Of The |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAUB | HOLE DIAMETER | 1.250 INCHES MINIMUM AND 1.266 INCHES MAXIMUM |
| ABKV | OUTSIDE DIAMETER | 2.375 INCHES NOMINAL |
| ABLB | INTERNAL PREBENT KEY LENGTH | 0.029 INCHES NOMINAL |
| ABLK | INTERNAL PREBENT KEY WIDTH | 0.281 INCHES NOMINAL |
| ABLS | DISTANCE FROM CENTERLINE TO INSIDE OF PREBENT KEY | 0.625 INCHES MINIMUM AND 0.633 INCHES MAXIMUM |
| ABPX | MATERIAL THICKNESS | 0.065 INCHES NOMINAL |
| MATT | MATERIAL | STEEL OVERALL |
| SFTT | SURFACE TREATMENT | PHOSPHATE OVERALL |
| STYL | STYLE DESIGNATOR | KEY |
| Components Related to NSN - 5310-00-516-8899, 5310005168899 | ||||
| 5305-01-187-9545 (5305011879545) | 5310-01-195-7885 (5310011957885) | 5325-01-626-6006 (5325016266006) | 5340-01-195-4720 (5340011954720) | |
| 5320-01-582-5694 (5320015825694) | 5331-00-651-4505 (5331006514505) | 5305-01-190-2186 (5305011902186) | 5330-00-831-6692 (5330008316692) | |
| 5307-00-533-9940 (5307005339940) | 5365-01-426-3812 (5365014263812) | 5360-01-650-4056 (5360016504056) | 5305-01-710-8488 (5305017108488) | |
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