| Item Name | Washer Key |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 01-055-2838 (010552838) |
| NCB Code | USA (01) |
| Manufacturer | British Aerospace Holdings Inc, United Technologies Corporation, Tokyo Judogi Kogyo Co, Tokyo Judoi Kogyo K K, The United Tool And Die Company |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| 415892 | british aerospace holdings inc | washer key | 69090 | RFQ |
| 415892 | united technologies corporation | washer key | 77445 | RFQ |
| 415892 | tokyo judogi kogyo co | washer key | s0554 | RFQ |
| 415892 | tokyo judoi kogyo k k | washer key | ja269 | RFQ |
| 415892 | the united tool and die company | washer key | 79043 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAUB | HOLE DIAMETER | 0.390 INCHES MINIMUM AND 0.395 INCHES MAXIMUM |
| ABKV | OUTSIDE DIAMETER | 0.546 INCHES MINIMUM AND 0.556 INCHES MAXIMUM |
| ABLF | EXTERNAL PREBENT KEY WIDTH | 0.180 INCHES MINIMUM AND 0.200 INCHES MAXIMUM |
| ABLK | INTERNAL PREBENT KEY WIDTH | 0.140 INCHES MINIMUM AND 0.150 INCHES MAXIMUM |
| ABLX | OVERALL DISTANCE INCLUDING KEYS | 1.150 INCHES MINIMUM AND 1.170 INCHES MAXIMUM |
| ABPX | MATERIAL THICKNESS | 0.038 INCHES MINIMUM AND 0.048 INCHES MAXIMUM |
| MATT | MATERIAL | STEEL OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS5510 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Relevant Components for NSN - 5310-01-055-2838, 5310010552838 | ||||
| 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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