| Item Name | Washer Key |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 00-478-9372 (004789372) |
| NCB Code | USA (00) |
| Manufacturer | Cm Manufacturing Inc, Goodrich Corporation |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAUB | HOLE DIAMETER | 2.030 INCHES NOMINAL |
| ABKV | OUTSIDE DIAMETER | 2.750 INCHES NOMINAL |
| ABLK | INTERNAL PREBENT KEY WIDTH | 0.231 INCHES MINIMUM AND 0.241 INCHES MAXIMUM |
| ABPX | MATERIAL THICKNESS | 0.250 INCHES NOMINAL |
| CQFM | HARDNESS RATING | 40.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM |
| CRZZ | WIRE HOLE DIAMETER | 0.250 INCHES NOMINAL |
| FEAT | SPECIAL FEATURES | 3 TAPPED HOLES 0.250-28 UNF 3B |
| MATT | MATERIAL | STEEL COMP 4340 OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | CPT 8204,FSCM 13002 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| STYL | STYLE DESIGNATOR | INTERNAL PREBENT KEY |
| Components Related to NSN - 5310-00-478-9372, 5310004789372 | ||||
| 5330-01-334-7310 (5330013347310) | 5365-00-969-6150 (5365009696150) | 5310-01-669-3902 (5310016693902) | 5340-01-413-2057 (5340014132057) | |
| 5325-00-364-9598 (5325003649598) | 5360-00-567-5070 (5360005675070) | 5340-01-491-4788 (5340014914788) | 5340-01-026-3025 (5340010263025) | |
| 5365-01-155-7183 (5365011557183) | 5355-00-492-8457 (5355004928457) | 5365-00-145-1236 (5365001451236) | 5307-00-245-8721 (5307002458721) | |
If You’re Ever Looking for NSN parts Or Have an Aircraft On Ground Situation, Don’t forget That We offer Competitive Pricing and Guaranteed On-Time Delivery.
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