| 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) | 00-302-0631 (003020631) |
| NCB Code | USA (00) |
| Manufacturer | Whippany Actuation Systems Llc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAUB | HOLE DIAMETER | 0.386 INCHES NOMINAL |
| ABKV | OUTSIDE DIAMETER | 1.030 INCHES NOMINAL |
| ABKY | EXTERNAL PREBENT KEY LENGTH | 0.140 INCHES NOMINAL |
| ABLF | EXTERNAL PREBENT KEY WIDTH | 0.140 INCHES NOMINAL |
| ABLJ | INTERNAL STRAIGHT KEY WIDTH | 0.086 INCHES NOMINAL |
| ABLQ | DISTANCE FROM CENTERLINE TO TOP OF INTERNAL KEY | 0.324 INCHES NOMINAL |
| ABLS | DISTANCE FROM CENTERLINE TO INSIDE OF PREBENT KEY | 0.410 INCHES NOMINAL |
| ABLX | OVERALL DISTANCE INCLUDING KEYS | 0.820 INCHES NOMINAL |
| ABPX | MATERIAL THICKNESS | 0.060 INCHES NOMINAL |
| CQFM | HARDNESS RATING | 35.0 ROCKWELL C MINIMUM AND 39.0 ROCKWELL C MAXIMUM |
| FEAT | SPECIAL FEATURES | COLOR YELLOW |
| MATT | MATERIAL | STEEL COMP 4130 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-18729 MIL SPEC ALL MATERIAL RESPONSES OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| STYL | STYLE DESIGNATOR | KEY |
| Relevant Components for NSN - 5310-00-302-0631, 5310003020631 | ||||
| 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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