| Item Name | Washer Concave |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 00-969-4465 (009694465) |
| NCB Code | USA (00) |
| Manufacturer | Fitz Aerospace Llc, Harvard Industries Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAUB | HOLE DIAMETER | 0.467 INCHES MINIMUM AND 0.477 INCHES MAXIMUM |
| ABGG | RADIUS | 0.370 INCHES MINIMUM AND 0.400 INCHES MAXIMUM |
| ABKV | OUTSIDE DIAMETER | 0.683 INCHES MINIMUM AND 0.693 INCHES MAXIMUM |
| ABMD | RECESS DIAMETER | 0.580 INCHES NOMINAL |
| ABMH | RECESS DEPTH | 0.041 INCHES MINIMUM AND 0.071 INCHES MAXIMUM |
| ABPX | MATERIAL THICKNESS | 0.122 INCHES MINIMUM AND 0.152 INCHES MAXIMUM |
| CQFM | HARDNESS RATING | 41.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM |
| MATT | MATERIAL | STEEL OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| STYL | STYLE DESIGNATOR | CONCAVE |
| Relevant Components for NSN - 5310-00-969-4465, 5310009694465 | ||||
| 5325-00-489-4951 (5325004894951) | 5305-01-688-2332 (5305016882332) | 5310-01-270-2593 (5310012702593) | 5360-01-362-9775 (5360013629775) | |
| 5305-01-574-2082 (5305015742082) | 5330-00-875-6402 (5330008756402) | 5310-01-166-6682 (5310011666682) | 5325-01-330-8489 (5325013308489) | |
| 5310-01-519-7106 (5310015197106) | 5310-12-130-8939 (5310121308939) | 5331-01-513-1941 (5331015131941) | 5310-01-360-7550 (5310013607550) | |
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