AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Washer Lock |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 01-572-4347 (015724347) |
| NCB Code | USA (01) |
| Manufacturer | Navy United States Department Of The, Fastenal Company |
| MRC | Criteria | Characteristic |
|---|---|---|
| STYL | Style Designator | SPLIT HELICAL-RIGHT HAND |
| MRC | Decoded Requirement | Clear Text Reply |
| CXCY | Part Name Assigned By Controlling Agency | M12 LOCK WASHER |
| SFTT | Surface Treatment | ZINC OVERALL |
| AAUB | Hole Diameter | 12.2 MILLIMETERS MINIMUM AND |
| MATT | Material | STEEL OVERALL |
| ABPX | Material Thickness | 2.3 MILLIMETERS MINIMUM AND |
| FEAT | Special Features | MATERIAL THICKNESS MIN 2.35MM, MAX 2.65MM;MATERIAL SPRING STEEL, HRC 44 TO 51;DEMENSIONS DIN 127B |
| ABPX | Material Thickness | 2.6 MILLIMETERS MAXIMUM |
| AAUB | Hole Diameter | 12.7 MILLIMETERS MAXIMUM |
| STDC | Surface Treatment Document And Classification | ASTM B633, SC1. TYPE III NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL |
| ABKV | Outside Diameter | 21.1 MILLIMETERS MAXIMUM |
| Relevant Components for NSN - 5310-01-572-4347, 5310015724347 | ||||
| 5320-01-311-2514 (5320013112514) | 5365-01-606-7886 (5365016067886) | 5310-01-687-5946 (5310016875946) | 5331-01-345-2325 (5331013452325) | |
| 5331-01-137-6352 (5331011376352) | 5340-01-677-5187 (5340016775187) | 5310-01-215-1121 (5310012151121) | 5330-01-558-9303 (5330015589303) | |
| 5320-01-007-1870 (5320010071870) | 5365-00-542-0989 (5365005420989) | 5305-01-279-0723 (5305012790723) | 5315-01-181-8363 (5315011818363) | |
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