| Item Name | Washer Key |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 00-297-4085 (002974085) |
| NCB Code | USA (00) |
| Manufacturer | M And M Aerospace Hardware Inc, National Aerospace Standards Com |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAUB | HOLE DIAMETER | 0.451 INCHES MINIMUM AND 0.467 INCHES MAXIMUM |
| ABKV | OUTSIDE DIAMETER | 0.630 INCHES MINIMUM AND 0.632 INCHES MAXIMUM |
| ABLK | INTERNAL PREBENT KEY WIDTH | 0.077 INCHES MINIMUM AND 0.087 INCHES MAXIMUM |
| ABPX | MATERIAL THICKNESS | 0.063 INCHES NOMINAL |
| CQBC | MINIMUM TENSILE STRENGTH | 180000 POUNDS PER SQUARE INCH |
| CQFM | HARDNESS RATING | 40.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM |
| CQFW | DISTANCE FROM KEY CENTER TO WIRE HOLE CENTER | 0.122 INCHES MINIMUM AND 0.128 INCHES MAXIMUM |
| CRZZ | WIRE HOLE DIAMETER | 0.062 INCHES NOMINAL |
| MATT | MATERIAL | STEEL COMP 1095 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-7947,COND A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL 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 | INTERNAL PREBENT KEY |
| ZZZK | SPECIFICATION/STANDARD DATA | 80205-NAS513 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Components Related to NSN - 5310-00-297-4085, 5310002974085 | ||||
| 5310-01-197-4020 (5310011974020) | 5315-01-603-3457 (5315016033457) | 5307-00-208-2583 (5307002082583) | 5306-00-723-0855 (5306007230855) | |
| 5306-01-051-8024 (5306010518024) | 5365-00-997-7495 (5365009977495) | 5360-00-769-7461 (5360007697461) | 5360-01-313-5636 (5360013135636) | |
| 5330-01-455-6923 (5330014556923) | 5340-00-061-1146 (5340000611146) | 5320-00-333-6513 (5320003336513) | 5310-01-109-8086 (5310011098086) | |
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