AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Washer Key |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 01-200-5741 (012005741) |
| NCB Code | USA (01) |
| Manufacturer | Martin Marietta Technologies Inc, Lockheed Martin Corporation, Federal Specifications |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| 1213G1180 FIND 37 | martin marietta technologies inc | washer key | RFQ |
| 1213G1180 FIND 3 | lockheed martin corporation | washer key | RFQ |
| FF-B-171 | federal specifications | washer key | RFQ |
| 999-51006-0000 | federal specifications | washer key | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAUB | HOLE DIAMETER | 1.193 INCHES MINIMUM |
| ABKV | OUTSIDE DIAMETER | 1.500 INCHES NOMINAL |
| ABLB | INTERNAL PREBENT KEY LENGTH | 0.062 INCHES MINIMUM |
| ABLF | EXTERNAL PREBENT KEY WIDTH | 0.146 INCHES MINIMUM |
| ABLK | INTERNAL PREBENT KEY WIDTH | 0.156 INCHES MINIMUM |
| ABMQ | EXTERNAL KEY QUANTITY | 6 |
| ABPX | MATERIAL THICKNESS | 0.050 INCHES NOMINAL |
| FEAT | SPECIAL FEATURES | EXTERNAL PRONG QUANTITY 6 OR MORE |
| MATT | MATERIAL | STEEL OVERALL |
| STYL | STYLE DESIGNATOR | KEY |
| Relevant Components for NSN - 5310-01-200-5741, 5310012005741 | ||||
| 5305-01-642-0405 (5305016420405) | 5340-01-469-1045 (5340014691045) | 5315-01-562-5736 (5315015625736) | 5315-01-575-7397 (5315015757397) | |
| 5310-00-347-0214 (5310003470214) | 5320-01-073-2961 (5320010732961) | 5342-01-117-9590 (5342011179590) | 5355-00-201-5369 (5355002015369) | |
| 5305-01-321-3806 (5305013213806) | 5330-00-256-6918 (5330002566918) | 5365-01-625-0045 (5365016250045) | 5310-01-593-4780 (5310015934780) | |
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