| 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 |
| Relevant Components for NSN - 5310-00-478-9372, 5310004789372 | ||||
| 5330-01-701-4089 (5330017014089) | 5305-01-213-9722 (5305012139722) | 5320-01-460-5665 (5320014605665) | 5306-01-475-3608 (5306014753608) | |
| 5306-01-626-6230 (5306016266230) | 5306-00-292-8749 (5306002928749) | 5342-01-673-3505 (5342016733505) | 5330-01-283-1784 (5330012831784) | |
| 5365-01-228-1431 (5365012281431) | 5365-00-466-3750 (5365004663750) | 5310-00-595-7616 (5310005957616) | 5305-00-550-0140 (5305005500140) | |
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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