| Item Name | Washer,Key |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 00-978-6565 (009786565) |
| NCB Code | USA (00) |
| Manufacturer | Wbh Inc, Military Standards Corp, Anillo Industries Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAUB | HOLE DIAMETER | 1.270 INCHES MINIMUM AND 1.290 INCHES MAXIMUM |
| ABKV | OUTSIDE DIAMETER | 1.750 INCHES MINIMUM AND 1.770 INCHES MAXIMUM |
| ABLB | INTERNAL PREBENT KEY LENGTH | 0.094 INCHES MINIMUM AND 0.125 INCHES MAXIMUM |
| ABLF | EXTERNAL PREBENT KEY WIDTH | 0.146 INCHES MINIMUM AND 0.166 INCHES MAXIMUM |
| ABLK | INTERNAL PREBENT KEY WIDTH | 0.156 INCHES MINIMUM AND 0.176 INCHES MAXIMUM |
| ABLX | OVERALL DISTANCE INCLUDING KEYS | 2.142 INCHES MINIMUM AND 2.172 INCHES MAXIMUM |
| ABMQ | EXTERNAL KEY QUANTITY | 15 |
| ABPX | MATERIAL THICKNESS | 0.046 INCHES MINIMUM AND 0.054 INCHES MAXIMUM |
| MATT | MATERIAL | STEEL COMP 4130 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6350 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | PHOSPHATE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2481 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| STYL | STYLE DESIGNATOR | KEY |
| Components Related to NSN - 5310-00-978-6565, 5310009786565 | ||||
| 5306-00-660-3288 (5306006603288) | 5340-01-138-8180 (5340011388180) | 5330-01-323-8411 (5330013238411) | 5360-01-204-0090 (5360012040090) | |
| 5307-00-612-4110 (5307006124110) | 5340-01-482-4141 (5340014824141) | 5310-01-062-0524 (5310010620524) | 5340-01-597-2720 (5340015972720) | |
| 5325-99-120-1207 (5325991201207) | 5315-01-696-7898 (5315016967898) | 5340-01-137-3603 (5340011373603) | 5355-01-379-0440 (5355013790440) | |
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