| 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 | Fastenal Company, Navy United States Department Of The |
| 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 | ||||
| 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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