| Item Name | Washer Recessed |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 00-020-2428 (000202428) |
| NCB Code | USA (00) |
| Manufacturer | Nielsen Hardware Corporation, Royal Oak Gage Inc, United Technologies Corporation, Military Specifications |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAUB | HOLE DIAMETER | 0.440 INCHES MINIMUM AND 0.445 INCHES MAXIMUM |
| ABKV | OUTSIDE DIAMETER | 1.186 INCHES MINIMUM AND 1.210 INCHES MAXIMUM |
| ABKW | OVERALL HEIGHT | 0.230 INCHES MINIMUM AND 0.250 INCHES MAXIMUM |
| ABMH | RECESS DEPTH | 0.181 INCHES MINIMUM AND 0.212 INCHES MAXIMUM |
| ABPX | MATERIAL THICKNESS | 0.038 INCHES MINIMUM AND 0.041 INCHES MAXIMUM |
| MATT | MATERIAL | STEEL COMP 321 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5510 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| STYL | STYLE DESIGNATOR | RECESSED |
| Components Related to NSN - 5310-00-020-2428, 5310000202428 | ||||
| 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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