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) | 00-058-3873 (000583873) |
| NCB Code | USA (00) |
| Manufacturer | Military Standards Corp, Lockheed Martin Corporation |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| MS35338-89 | military standards corp | washer lock | RFQ |
| 164-18 | lockheed martin corporation | washer lock | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAUB | HOLE DIAMETER | 0.763 INCHES MINIMUM AND 0.783 INCHES MAXIMUM |
| ABKV | OUTSIDE DIAMETER | 1.271 INCHES MAXIMUM |
| ABPX | MATERIAL THICKNESS | 0.188 INCHES MINIMUM AND 0.198 INCHES MAXIMUM |
| CQFM | HARDNESS RATING | 35.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OR 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM |
| MATT | MATERIAL | STEEL COMP 302 OVERALL AND STEEL COMP 420 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | FED STD 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| STYL | STYLE DESIGNATOR | SPLIT HELICAL-RIGHT HAND |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | 2 STYLE AND C CLASS |
| Relevant Components for NSN - 5310-00-058-3873, 5310000583873 | ||||
| 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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