| Item Name | Washer Shouldered |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 00-531-1490 (005311490) |
| NCB Code | USA (00) |
| Manufacturer | Lockheed Martin Corporation, Stewart Warner Corporation |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAUB | HOLE DIAMETER | 0.593 INCHES NOMINAL |
| AAVH | SHOULDER DIAMETER | 0.625 INCHES NOMINAL |
| ABKV | OUTSIDE DIAMETER | 1.000 INCHES NOMINAL |
| ABMG | SHOULDER HEIGHT | 0.078 INCHES NOMINAL |
| ABPX | MATERIAL THICKNESS | 0.0159 INCHES NOMINAL |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |
| MATT | MATERIAL | COPPER ALLOY OVERALL |
| STYL | STYLE DESIGNATOR | SHOULDERED |
| Components Related to NSN - 5310-00-531-1490, 5310005311490 | ||||
| 5325-01-017-8809 (5325010178809) | 5330-01-278-3019 (5330012783019) | 5365-01-304-3832 (5365013043832) | 5305-15-060-1487 (5305150601487) | |
| 5305-01-361-3193 (5305013613193) | 5330-01-259-4088 (5330012594088) | 5340-01-672-8342 (5340016728342) | 5342-00-452-9798 (5342004529798) | |
| 5310-01-175-0629 (5310011750629) | 5330-01-120-4149 (5330011204149) | 5331-01-441-4577 (5331014414577) | 5330-01-425-8795 (5330014258795) | |
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