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) | 01-147-4911 (011474911) |
| NCB Code | USA (01) |
| Manufacturer | Zf Industrieantriebe Witten Gmbh, Military Standards Corp, Military Specifications |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| MS19070-20 | zf industrieantriebe witten gmbh | washer key | RFQ |
| MS19070-202 | military standards corp | washer key | RFQ |
| MIL-W-21338 | military specifications | washer key | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAUB | HOLE DIAMETER | 3.988 INCHES MINIMUM AND 4.018 INCHES MAXIMUM |
| ABKV | OUTSIDE DIAMETER | 4.812 INCHES MINIMUM AND 4.857 INCHES MAXIMUM |
| ABLB | INTERNAL PREBENT KEY LENGTH | 0.250 INCHES MINIMUM AND 0.312 INCHES MAXIMUM |
| ABLF | EXTERNAL PREBENT KEY WIDTH | 0.298 INCHES MINIMUM AND 0.328 INCHES MAXIMUM |
| ABLK | INTERNAL PREBENT KEY WIDTH | 0.313 INCHES MINIMUM AND 0.353 INCHES MAXIMUM |
| ABLX | OVERALL DISTANCE INCLUDING KEYS | 5.500 INCHES MAXIMUM |
| ABMQ | EXTERNAL KEY QUANTITY | 19 |
| ABPX | MATERIAL THICKNESS | 0.088 INCHES MINIMUM AND 0.100 INCHES MAXIMUM |
| CQFM | HARDNESS RATING | 50.0 BRINELL MINIMUM AND 81.0 BRINELL MAXIMUM |
| HEAT | HEAT TREATMENT | ANNEALED |
| MATT | MATERIAL | STEEL COMP 1010 OR STEEL COMP 1012 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1017 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 OR STEEL COMP 1021 OR STEEL COMP 1022 OR STEEL COMP 1023 OR STEEL COMP 1524 OR |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD ALL MATERIAL RESPONSES OVERALL |
| SFTT | SURFACE TREATMENT | ZINC AND CHROMATE OR CADMIUM AND CHROMATE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-Z-325,TY 2,CL 3 FED SPEC 1ST TREATMENT RESPONSE OR QQ-P-416,TY 2,CL 3 FED SPEC 2ND TREATMENT RESPONSE OVERALL |
| STYL | STYLE DESIGNATOR | KEY |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | 1 TYPE AND 1 CLASS |
| Relevant Components for NSN - 5310-01-147-4911, 5310011474911 | ||||
| 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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