| Item Name | Washer Key |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 01-068-7471 (010687471) |
| NCB Code | USA (01) |
| Manufacturer | Boeing Company The, Bae Systems Inc, Alcoa Global Fasteners Inc, Lockheed Martin Corporation |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| LE123-0001-0004 | boeing company the | washer key | 43999 | RFQ |
| 1169056-1 | bae systems inc | washer key | 12705 | RFQ |
| CA2106 | alcoa global fasteners inc | washer key | 29372 | RFQ |
| 717801669-001 | lockheed martin corporation | washer key | 04939 | RFQ |
| CA2106 | bae systems inc | washer key | u9143 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAUB | HOLE DIAMETER | 0.261 INCHES NOMINAL |
| ABKV | OUTSIDE DIAMETER | 0.375 INCHES NOMINAL |
| ABLJ | INTERNAL STRAIGHT KEY WIDTH | 0.027 INCHES MINIMUM AND 0.033 INCHES MAXIMUM |
| ABLQ | DISTANCE FROM CENTERLINE TO TOP OF INTERNAL KEY | 0.097 INCHES NOMINAL |
| ABMR | INTERNAL KEY QUANTITY | 3 |
| ABPX | MATERIAL THICKNESS | 0.020 INCHES MINIMUM AND 0.030 INCHES MAXIMUM |
| MATT | MATERIAL | STEEL COMP 631 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-25043 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| STYL | STYLE DESIGNATOR | KEY |
| Relevant Components for NSN - 5310-01-068-7471, 5310010687471 | ||||
| 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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