| Item Name | Washer Concave |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 01-368-8071 (013688071) |
| NCB Code | USA (01) |
| Manufacturer | Military Specifications |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| D63546/8-23G | military specifications | washer concave | 81349 | RFQ |
| D0D-W-D63546/8 | military specifications | washer concave | 81349 | RFQ |
| D0D-W-63546/8-23G | military specifications | washer concave | 81349 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABGG | RADIUS | 18.5 MILLIMETERS NOMINAL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM B633 TY 2,CL FE/ZN 13 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| STYL | STYLE DESIGNATOR | CONCAVE |
| AAUB | HOLE DIAMETER | 12.0 MILLIMETERS MINIMUM AND 12.1 MILLIMETERS MAXIMUM |
| ABKV | OUTSIDE DIAMETER | 20.8 MILLIMETERS MINIMUM AND 21.0 MILLIMETERS MAXIMUM |
| ABPX | MATERIAL THICKNESS | 4.2 MILLIMETERS NOMINAL |
| CQFM | HARDNESS RATING | 88.0 ROCKWELL SUPERFICIAL 15-N MAXIMUM |
| MATT | MATERIAL | STEEL COMP 1010 OVERALL OR STEEL COMP 1011 OVERALL OR STEEL COMP 1012 OVERALL OR STEEL COMP 1013 OVERALL OR STEEL COMP 1015 OVERALL OR STEEL COMP 1016 OVERALL OR STEEL COMP 1017 OVERALL OR STEEL COMP 1018 OVERALL OR STEEL COMP 1019 OVERALL |
| SFTT | SURFACE TREATMENT | ZINC OVERALL AND CHROMATE OVERALL |
| Relevant Components for NSN - 5310-01-368-8071, 5310013688071 | ||||
| 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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