| Item Name | Washer Key |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 00-543-5086 (005435086) |
| NCB Code | USA (00) |
| Manufacturer | National Aerospace Standards Com |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAUB | HOLE DIAMETER | 1.137 INCHES MINIMUM AND 1.157 INCHES MAXIMUM |
| ABKV | OUTSIDE DIAMETER | 1.620 INCHES MINIMUM AND 1.640 INCHES MAXIMUM |
| ABLK | INTERNAL PREBENT KEY WIDTH | 0.169 INCHES MINIMUM AND 0.179 INCHES MAXIMUM |
| ABPX | MATERIAL THICKNESS | 0.090 INCHES NOMINAL |
| CQFM | HARDNESS RATING | 40.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM |
| CQFW | DISTANCE FROM KEY CENTER TO WIRE HOLE CENTER | 0.216 INCHES MINIMUM AND 0.222 INCHES MAXIMUM |
| CRZZ | WIRE HOLE DIAMETER | 0.090 INCHES NOMINAL |
| MATT | MATERIAL | STEEL OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-7947 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL AND CHROMATE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| STYL | STYLE DESIGNATOR | INTERNAL PREBENT KEY |
| ZZZK | SPECIFICATION/STANDARD DATA | 80205-NAS513 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Relevant Components for NSN - 5310-00-543-5086, 5310005435086 | ||||
| 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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