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) | 00-197-3136 (001973136) |
| NCB Code | USA (00) |
| Manufacturer | Itw Shakeproof Automotive Products, Aeronautical Standards Group |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAUB | HOLE DIAMETER | 0.142 INCHES MINIMUM AND 0.150 INCHES MAXIMUM |
| ABKV | OUTSIDE DIAMETER | 0.271 INCHES MINIMUM AND 0.287 INCHES MAXIMUM |
| ABPX | MATERIAL THICKNESS | 0.010 INCHES MINIMUM AND 0.014 INCHES MAXIMUM |
| CQFM | HARDNESS RATING | 45.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM |
| CRSQ | COUNTERSINK ANGLE | 95.0 DEGREES MINIMUM AND 105.0 DEGREES MAXIMUM |
| MATT | MATERIAL | STEEL OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| STYL | STYLE DESIGNATOR | COUNTERSINK EXTERNAL TEETH |
| Relevant Components for NSN - 5310-00-197-3136, 5310001973136 | ||||
| 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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