AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Washer Key |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 00-374-4881 (003744881) |
| NCB Code | USA (00) |
| Manufacturer | Korody Colyer Corp, Power Components (Deutschland) Gmbh, General Motors Corp, Mtu America Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAUB | HOLE DIAMETER | 0.693 INCHES MINIMUM AND 0.713 INCHES MAXIMUM |
| ABKV | OUTSIDE DIAMETER | 1.115 INCHES MINIMUM AND 1.135 INCHES MAXIMUM |
| ABKX | EXTERNAL STRAIGHT KEY LENGTH | 0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM |
| ABKY | EXTERNAL PREBENT KEY LENGTH | 0.084 INCHES MINIMUM AND 0.104 INCHES MAXIMUM |
| ABLC | EXTERNAL STRAIGHT KEY WIDTH | 0.334 INCHES MINIMUM AND 0.354 INCHES MAXIMUM |
| ABLF | EXTERNAL PREBENT KEY WIDTH | 0.412 INCHES MINIMUM AND 0.432 INCHES MAXIMUM |
| ABLS | DISTANCE FROM CENTERLINE TO INSIDE OF PREBENT KEY | 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM |
| ABLX | OVERALL DISTANCE INCLUDING KEYS | 1.490 INCHES MINIMUM AND 1.510 INCHES MAXIMUM |
| ABMQ | EXTERNAL KEY QUANTITY | 6 |
| ABPX | MATERIAL THICKNESS | 0.062 INCHES NOMINAL |
| MATT | MATERIAL | STEEL COMP 1010 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| STYL | STYLE DESIGNATOR | KEY |
| Relevant Components for NSN - 5310-00-374-4881, 5310003744881 | ||||
| 5355-00-582-7370 (5355005827370) | 5340-01-492-4288 (5340014924288) | 5340-00-523-3711 (5340005233711) | 5330-01-275-9444 (5330012759444) | |
| 5340-01-238-2053 (5340012382053) | 5365-01-693-2245 (5365016932245) | 5331-01-258-8240 (5331012588240) | 5365-01-672-1629 (5365016721629) | |
| 5365-01-432-4280 (5365014324280) | 5365-01-654-1906 (5365016541906) | 5340-01-451-0804 (5340014510804) | 5340-01-489-6012 (5340014896012) | |
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