| Item Name | Washer Key |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 00-558-7542 (005587542) |
| NCB Code | USA (00) |
| Manufacturer | Northrop Grumman Systems Corporation, Westinghouse Electric Corp |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| 317088B | northrop grumman systems corporation | washer key | 90099 | RFQ |
| 1JA5626REVBPC3 | northrop grumman systems corporation | washer key | 90099 | RFQ |
| 317088B | westinghouse electric corp | washer key | 65054 | RFQ |
| 1JH5097PC21 | westinghouse electric corp | washer key | 79500 | RFQ |
| 1JA5626REVBPC3 | westinghouse electric corp | washer key | 79500 | RFQ |
| 909D158PC6 | westinghouse electric corp | washer key | 79500 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAUB | HOLE DIAMETER | 0.656 INCHES NOMINAL |
| ABKV | OUTSIDE DIAMETER | 1.250 INCHES NOMINAL |
| ABLG | TAPERED KEY MINOR WIDTH | 0.875 INCHES NOMINAL |
| ABLH | TAPERED KEY MAJOR WIDTH | 1.125 INCHES NOMINAL |
| ABLX | OVERALL DISTANCE INCLUDING KEYS | 2.000 INCHES NOMINAL |
| ABML | THIRD HOLE DIAMETER | 0.875 INCHES NOMINAL |
| ABPX | MATERIAL THICKNESS | 0.062 INCHES NOMINAL |
| FEAT | SPECIAL FEATURES | 0.125 IN. WIDE SLOT 0.875 IN. LENGTH ON CENTERLINE OF WEDGE KEY |
| MATT | MATERIAL | STEEL OVERALL |
| STYL | STYLE DESIGNATOR | KEY |
| Relevant Components for NSN - 5310-00-558-7542, 5310005587542 | ||||
| 5320-01-093-5687 (5320010935687) | 5340-00-286-8500 (5340002868500) | 5310-00-797-4430 (5310007974430) | 5331-01-548-6940 (5331015486940) | |
| 5340-01-389-2408 (5340013892408) | 5340-01-499-3481 (5340014993481) | 5310-01-418-9739 (5310014189739) | 5320-01-419-8697 (5320014198697) | |
| 5340-01-681-6722 (5340016816722) | 5340-01-620-4639 (5340016204639) | 5340-01-481-2087 (5340014812087) | 5331-01-097-0869 (5331010970869) | |
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