| Item Name | Washer Keyway |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 00-390-9009 (003909009) |
| NCB Code | USA (00) |
| Manufacturer | Caterpillar Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAUB | HOLE DIAMETER | 1.482 INCHES MINIMUM AND 1.488 INCHES MAXIMUM |
| ABKV | OUTSIDE DIAMETER | 2.873 INCHES MINIMUM AND 2.877 INCHES MAXIMUM |
| ABLM | INTERNAL KEYWAY WIDTH | 0.194 INCHES MINIMUM AND 0.197 INCHES MAXIMUM |
| ABLR | DISTANCE FROM CENTERLINE TO BOTTOM OF INTERNAL KEYWAY | 0.836 INCHES NOMINAL |
| ABMV | INTERNAL KEYWAY QUANTITY | 3 |
| ABPX | MATERIAL THICKNESS | 0.281 INCHES NOMINAL |
| CQFM | HARDNESS RATING | 55.0 ROCKWELL C MINIMUM |
| MATT | MATERIAL | STEEL OVERALL |
| Components Related to NSN - 5310-00-390-9009, 5310003909009 | ||||
| 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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