| Item Name | Washer Key |
| INC Code | 01869 |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 00-906-6164 (009066164) |
| NCB Code | USA (00) |
| Manufacturer | Allison Transmission Inc, General Motors Corp, Rolls Royce Corporation |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAUB | HOLE DIAMETER | 2.406 INCHES NOMINAL |
| ABKV | OUTSIDE DIAMETER | 2.686 INCHES NOMINAL |
| ABLB | INTERNAL PREBENT KEY LENGTH | 0.410 INCHES NOMINAL |
| ABLK | INTERNAL PREBENT KEY WIDTH | 0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM |
| ABLS | DISTANCE FROM CENTERLINE TO INSIDE OF PREBENT KEY | 1.500 INCHES NOMINAL |
| ABPX | MATERIAL THICKNESS | 0.038 INCHES MINIMUM AND 0.046 INCHES MAXIMUM |
| CSRB | INTERNAL PREBENT KEY ANGLE | 90.0 DEGREES NOMINAL |
| FEAT | SPECIAL FEATURES | CONTAINS TWO INTERNAL PRE-BENT KEYS,180 DEGREES APART |
| HUES | COLOR | BLACK OVERALL |
| MATT | MATERIAL | STEEL COMP 4130 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6350 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | OXIDE FILM OVERALL |
| STYL | STYLE DESIGNATOR | KEY |
| Relevant Components for NSN - 5310-00-906-6164, 5310009066164 | ||||
| 5310-01-011-9703 (5310010119703) | 5310-01-631-4489 (5310016314489) | 5310-00-020-9053 (5310000209053) | 5310-01-041-3831 (5310010413831) | |
| 5310-01-180-5326 (5310011805326) | 5310-01-187-5440 (5310011875440) | 5310-00-092-6831 (5310000926831) | 5310-01-210-4885 (5310012104885) | |
| 5310-00-474-5240 (5310004745240) | 5310-00-474-3114 (5310004743114) | 5310-00-159-9146 (5310001599146) | 5310-01-528-9271 (5310015289271) | |
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ESD S20.20-2014 Certification |
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