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) | 01-166-4546 (011664546) |
| NCB Code | USA (01) |
| Manufacturer | Nato Stock Number Assigned Byanother, British Standards Institution |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| 99-943-6213 | nato stock number assigned byanother | washer key | RFQ |
| SP109G | british standards institution | washer key | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAUB | HOLE DIAMETER | 0.320 INCHES MINIMUM AND 0.325 INCHES MAXIMUM |
| ABKV | OUTSIDE DIAMETER | 0.495 INCHES MINIMUM AND 0.505 INCHES MAXIMUM |
| ABKY | EXTERNAL PREBENT KEY LENGTH | 0.100 INCHES MINIMUM AND 0.110 INCHES MAXIMUM |
| ABLD | EXTERNAL TAPERED KEY WIDTH | 0.280 INCHES MINIMUM AND 0.290 INCHES MAXIMUM |
| ABLS | DISTANCE FROM CENTERLINE TO INSIDE OF PREBENT KEY | 0.325 INCHES MINIMUM AND 0.335 INCHES MAXIMUM |
| CSFW | ANGLE BETWEEN EXTERNAL KEYS | 58.0 DEGREES MINIMUM AND 62.0 DEGREES MAXIMUM |
| CSKN | EXTERNAL PREBENT KEY ANGLE | 15.0 DEGREES NOMINAL |
| MATT | MATERIAL | STEEL OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL |
| STYL | STYLE DESIGNATOR | 270 DEGREE LOCKING KEY |
| Relevant Components for NSN - 5310-01-166-4546, 5310011664546 | ||||
| 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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