AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Washer Lock |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 01-067-9689 (010679689) |
| NCB Code | USA (01) |
| Manufacturer | Down East Inc, Electric Boat Corporation |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| 4000-1 | down east inc | washer lock | RFQ |
| 77M69-20 ITEM 39 | electric boat corporation | washer lock | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAUB | HOLE DIAMETER | 0.506 INCHES MINIMUM AND 0.518 INCHES MAXIMUM |
| ABKV | OUTSIDE DIAMETER | 0.743 INCHES MAXIMUM |
| ABPX | MATERIAL THICKNESS | 0.172 INCHES NOMINAL |
| CQFM | HARDNESS RATING | 33.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |
| MATT | MATERIAL | NICKEL ALLOY A OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-286 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| STYL | STYLE DESIGNATOR | SPLIT HELICAL-RIGHT HAND |
| Relevant Components for NSN - 5310-01-067-9689, 5310010679689 | ||||
| 5305-00-825-1285 (5305008251285) | 5315-01-177-1845 (5315011771845) | 5340-01-536-0624 (5340015360624) | 5330-01-398-3824 (5330013983824) | |
| 5365-00-602-2520 (5365006022520) | 5340-01-658-6711 (5340016586711) | 5306-00-488-7520 (5306004887520) | 5310-00-443-4905 (5310004434905) | |
| 5305-00-579-4230 (5305005794230) | 5306-01-488-3599 (5306014883599) | 5340-01-429-0378 (5340014290378) | 5305-01-208-9074 (5305012089074) | |
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