| Item Name | Washer Key |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 01-255-4622 (012554622) |
| NCB Code | USA (01) |
| Manufacturer | Rockwell Collins Aerospace |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAUB | HOLE DIAMETER | 0.560 INCHES MINIMUM AND 0.565 INCHES MAXIMUM |
| ABLC | EXTERNAL STRAIGHT KEY WIDTH | 0.250 INCHES NOMINAL |
| ABLX | OVERALL DISTANCE INCLUDING KEYS | 0.750 INCHES NOMINAL |
| ABPX | MATERIAL THICKNESS | 0.031 INCHES NOMINAL |
| FEAT | SPECIAL FEATURES | DEE SHAPE CTR HOLE; 0.062 IN. DIA HOLE OPPOSITE CORNER OF KEY AND RD SIDE OF CENTER HOLE |
| MATT | MATERIAL | STEEL COMP 1010 OVERALL |
| NRAC | DISTANCE FROM CENTERLINE TO END OF KEY | 0.406 INCHES NOMINAL |
| 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 | KEY |
| Components Related to NSN - 5310-01-255-4622, 5310012554622 | ||||
| 5305-01-222-3196 (5305012223196) | 5340-01-420-2904 (5340014202904) | 5305-01-506-5038 (5305015065038) | 5307-01-093-0586 (5307010930586) | |
| 5306-01-455-2212 (5306014552212) | 5320-01-425-9724 (5320014259724) | 5330-01-429-5246 (5330014295246) | 5340-01-359-3660 (5340013593660) | |
| 5330-01-524-1191 (5330015241191) | 5320-00-395-6445 (5320003956445) | 5310-01-510-7415 (5310015107415) | 5310-01-104-8190 (5310011048190) | |
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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