| Item Name | Washer Keyway |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 00-564-0397 (005640397) |
| NCB Code | USA (00) |
| Manufacturer | General Signal Corp, Eaton Aerospace Ltd, Phoenix Specialty Mfg Co Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAUB | HOLE DIAMETER | 0.505 INCHES NOMINAL |
| ABKV | OUTSIDE DIAMETER | 0.625 INCHES NOMINAL |
| ABKZ | EXTERNAL KEYWAY LENGTH | 0.015 INCHES NOMINAL |
| ABLL | EXTERNAL KEYWAY WIDTH | 0.188 INCHES NOMINAL |
| ABMU | EXTERNAL KEYWAY QUANTITY | 3 |
| ABPX | MATERIAL THICKNESS | 0.036 INCHES NOMINAL |
| CQFM | HARDNESS RATING | 68.0 ROCKWELL A MINIMUM OR 70.0 ROCKWELL A MAXIMUM |
| MATT | MATERIAL | STEEL COMP 1040 OR STEEL COMP 1045 OR STEEL COMP 1050 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AISI ASSN STD ALL MATERIAL RESPONSES OVERALL |
| Components Related to NSN - 5310-00-564-0397, 5310005640397 | ||||
| 5330-00-154-7423 (5330001547423) | 5365-01-326-1135 (5365013261135) | 5306-01-053-6961 (5306010536961) | 5310-00-523-2141 (5310005232141) | |
| 5325-01-240-1213 (5325012401213) | 5360-01-089-4004 (5360010894004) | 5330-01-089-6878 (5330010896878) | 5330-01-125-9042 (5330011259042) | |
| 5365-01-447-3568 (5365014473568) | 5340-00-967-7591 (5340009677591) | 5305-00-733-6616 (5305007336616) | 5310-01-278-4520 (5310012784520) | |
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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