| Item Name | Washer Key |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 01-542-9869 (015429869) |
| NCB Code | USA (01) |
| Manufacturer | Eaton Corporation |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAUB | HOLE DIAMETER | 0.300 INCHES NOMINAL |
| ABKV | OUTSIDE DIAMETER | 0.462 INCHES MINIMUM AND 0.472 INCHES MAXIMUM |
| ABLB | INTERNAL PREBENT KEY LENGTH | 0.035 INCHES MINIMUM AND 0.065 INCHES MAXIMUM |
| ABLK | INTERNAL PREBENT KEY WIDTH | 0.050 INCHES MINIMUM AND 0.060 INCHES MAXIMUM |
| ABLQ | DISTANCE FROM CENTERLINE TO TOP OF INTERNAL KEY | 0.175 INCHES MINIMUM AND 0.205 INCHES MAXIMUM |
| ABLS | DISTANCE FROM CENTERLINE TO INSIDE OF PREBENT KEY | 0.150 INCHES NOMINAL |
| ABPX | MATERIAL THICKNESS | 0.125 INCHES NOMINAL |
| AGAV | END ITEM IDENTIFICATION | C-17A AIRCRAFT |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | WASHER,CUP |
| MATT | III MATERIAL | STEEL COMP 304 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-766 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | SPS209METHOD 1 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| STYL | STYLE DESIGNATOR | KEY |
| Components Related to NSN - 5310-01-542-9869, 5310015429869 | ||||
| 5320-01-288-0602 (5320012880602) | 5315-01-595-1361 (5315015951361) | 5310-01-425-6377 (5310014256377) | 5330-00-128-1254 (5330001281254) | |
| 5330-01-540-2102 (5330015402102) | 5310-01-661-3334 (5310016613334) | 5320-01-255-7970 (5320012557970) | 5330-01-103-2439 (5330011032439) | |
| 5365-00-115-6523 (5365001156523) | 5306-01-431-2275 (5306014312275) | 5330-01-476-3266 (5330014763266) | 5355-01-113-6386 (5355011136386) | |
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