| Item Name | Washer Key |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 01-133-5840 (011335840) |
| NCB Code | USA (01) |
| Manufacturer | Trego Inc, United Technologies Corporation, Atlas Stamping And Manufacturing, Satellite Aerospace Incorporated |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAUB | HOLE DIAMETER | 0.525 INCHES MINIMUM AND 0.535 INCHES MAXIMUM |
| ABKV | OUTSIDE DIAMETER | 0.745 INCHES MINIMUM AND 0.755 INCHES MAXIMUM |
| ABKY | EXTERNAL PREBENT KEY LENGTH | 0.080 INCHES MINIMUM AND 0.100 INCHES MAXIMUM |
| ABLD | EXTERNAL TAPERED KEY WIDTH | 0.415 INCHES MINIMUM AND 0.435 INCHES MAXIMUM |
| ABLF | EXTERNAL PREBENT KEY WIDTH | 0.185 INCHES MINIMUM AND 0.190 INCHES MAXIMUM |
| ABMM | SPLIT KEY LENGTH | 0.210 INCHES MINIMUM AND 0.235 INCHES MAXIMUM |
| ABMQ | EXTERNAL KEY QUANTITY | 3 |
| ABPX | MATERIAL THICKNESS | 0.0380 INCHES MINIMUM AND 0.0405 INCHES MAXIMUM |
| CSFW | ANGLE BETWEEN EXTERNAL KEYS | 58.0 DEGREES MINIMUM AND 62.0 DEGREES MAXIMUM |
| CSKN | EXTERNAL PREBENT KEY ANGLE | 10.0 DEGREES MINIMUM AND 20.0 DEGREES MAXIMUM |
| MATT | MATERIAL | NICKEL ALLOY 625 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5599 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| STYL | STYLE DESIGNATOR | KEY |
| Components Related to NSN - 5310-01-133-5840, 5310011335840 | ||||
| 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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