| Item Name | Washer Key |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 00-480-6159 (004806159) |
| NCB Code | USA (00) |
| Manufacturer | Aqua Chem Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAUB | HOLE DIAMETER | 1.531 INCHES NOMINAL |
| ABKV | OUTSIDE DIAMETER | 2.000 INCHES NOMINAL |
| ABLB | INTERNAL PREBENT KEY LENGTH | 0.219 INCHES NOMINAL |
| ABLC | EXTERNAL STRAIGHT KEY WIDTH | 0.219 INCHES NOMINAL |
| ABLK | INTERNAL PREBENT KEY WIDTH | 0.312 INCHES NOMINAL |
| ABLX | OVERALL DISTANCE INCLUDING KEYS | 2.750 INCHES NOMINAL |
| ABMQ | EXTERNAL KEY QUANTITY | 17 |
| ABPX | MATERIAL THICKNESS | 0.050 INCHES NOMINAL |
| MATT | MATERIAL | NICKEL ALLOY OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-281 CLASS B FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| STYL | STYLE DESIGNATOR | KEY |
| Components Related to NSN - 5310-00-480-6159, 5310004806159 | ||||
| 5330-00-154-7423 (5330001547423) | 5365-01-326-1135 (5365013261135) | 5306-01-053-6961 (5306010536961) | 5310-00-523-2141 (5310005232141) | |
| 5325-01-240-1213 (5325012401213) | 5360-01-089-4004 (5360010894004) | 5330-01-089-6878 (5330010896878) | 5330-01-125-9042 (5330011259042) | |
| 5365-01-447-3568 (5365014473568) | 5340-00-967-7591 (5340009677591) | 5305-00-733-6616 (5305007336616) | 5310-01-278-4520 (5310012784520) | |
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