| Item Name | Washer Key |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 00-222-0718 (002220718) |
| NCB Code | USA (00) |
| Manufacturer | United Industrial Corp, Aeronautical Standards Group, Military Standards Corp, Sikorsky Aircraft Corporation |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| A35-3 | united industrial corp | washer key | 27809 | RFQ |
| AN7503-15 | aeronautical standards group | washer key | 88044 | RFQ |
| MS21258-15 | military standards corp | washer key | 96906 | RFQ |
| S6225-50129 | sikorsky aircraft corporation | washer key | 78286 | RFQ |
| S6225-50129-000 | sikorsky aircraft corporation | washer key | 78286 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAUB | HOLE DIAMETER | 0.944 INCHES MINIMUM AND 0.954 INCHES MAXIMUM |
| ABKV | OUTSIDE DIAMETER | 1.345 INCHES MINIMUM AND 1.405 INCHES MAXIMUM |
| ABLJ | INTERNAL STRAIGHT KEY WIDTH | 0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM |
| ABLQ | DISTANCE FROM CENTERLINE TO TOP OF INTERNAL KEY | 0.388 INCHES MINIMUM AND 0.398 INCHES MAXIMUM |
| ABMR | INTERNAL KEY QUANTITY | 1 |
| ABPX | MATERIAL THICKNESS | 0.088 INCHES MINIMUM AND 0.098 INCHES MAXIMUM |
| MATT | MATERIAL | STEEL COMP 1018 OR STEEL COMP 1020 OR STEEL COMP 1025 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A108 ASSN STD ALL MATERIAL RESPONSES OVERALL |
| STYL | STYLE DESIGNATOR | KEY |
| Components Related to NSN - 5310-00-222-0718, 5310002220718 | ||||
| 5330-01-334-7310 (5330013347310) | 5365-00-969-6150 (5365009696150) | 5310-01-669-3902 (5310016693902) | 5340-01-413-2057 (5340014132057) | |
| 5325-00-364-9598 (5325003649598) | 5360-00-567-5070 (5360005675070) | 5340-01-491-4788 (5340014914788) | 5340-01-026-3025 (5340010263025) | |
| 5365-01-155-7183 (5365011557183) | 5355-00-492-8457 (5355004928457) | 5365-00-145-1236 (5365001451236) | 5307-00-245-8721 (5307002458721) | |
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