| Item Name | Washer Key |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 01-127-8521 (011278521) |
| NCB Code | USA (01) |
| Manufacturer | Nimikkeistokeskus Ncb Finland, Berkshire Manufactured Products, General Electric Company, Atlas Stamping And Manufacturing, Orlotronics Corporation |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| 10109468 | nimikkeistokeskus ncb finland | washer key | a486g | RFQ |
| 4018T97P03 | berkshire manufactured products | washer key | 02653 | RFQ |
| 4018T97P03 | general electric company | washer key | 99207 | RFQ |
| 4018T97P03 | atlas stamping and manufacturing | washer key | 8w686 | RFQ |
| 4018T97P03 | orlotronics corporation | washer key | 54267 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAUB | HOLE DIAMETER | 0.250 INCHES MINIMUM AND 0.255 INCHES MAXIMUM |
| ABKV | OUTSIDE DIAMETER | 0.440 INCHES MINIMUM AND 0.450 INCHES MAXIMUM |
| ABKY | EXTERNAL PREBENT KEY LENGTH | 0.200 INCHES MINIMUM AND 0.210 INCHES MAXIMUM |
| ABLD | EXTERNAL TAPERED KEY WIDTH | 0.250 INCHES MINIMUM AND 0.260 INCHES MAXIMUM |
| ABLF | EXTERNAL PREBENT KEY WIDTH | 0.300 INCHES MINIMUM AND 0.310 INCHES MAXIMUM |
| ABLS | DISTANCE FROM CENTERLINE TO INSIDE OF PREBENT KEY | 0.440 INCHES MINIMUM AND 0.450 INCHES MAXIMUM |
| ABLX | OVERALL DISTANCE INCLUDING KEYS | 0.818 INCHES MINIMUM AND 0.846 INCHES MAXIMUM |
| ABMM | SPLIT KEY LENGTH | 0.130 INCHES MINIMUM AND 0.135 INCHES MAXIMUM |
| ABMQ | EXTERNAL KEY QUANTITY | 1 |
| ABPX | MATERIAL THICKNESS | 0.028 INCHES MINIMUM AND 0.036 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 | STEEL COMP 321 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5510 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| STYL | STYLE DESIGNATOR | KEY |
| Components Related to NSN - 5310-01-127-8521, 5310011278521 | ||||
| 5330-00-038-4345 (5330000384345) | 5305-01-191-2462 (5305011912462) | 5365-00-898-3506 (5365008983506) | 5315-01-424-1290 (5315014241290) | |
| 5330-01-696-0897 (5330016960897) | 5330-01-561-7601 (5330015617601) | 5342-00-408-9183 (5342004089183) | 5310-00-981-2299 (5310009812299) | |
| 5340-01-523-8925 (5340015238925) | 5342-01-649-3882 (5342016493882) | 5310-00-943-5411 (5310009435411) | 5340-01-569-9497 (5340015699497) | |
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