| Item Name | Washer Key |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 00-753-3992 (007533992) |
| NCB Code | USA (00) |
| Manufacturer | Bourns Instruments Inc, Recon Optical Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAUB | HOLE DIAMETER | 0.188 INCHES MINIMUM AND 0.189 INCHES MAXIMUM |
| ABLJ | INTERNAL STRAIGHT KEY WIDTH | 0.056 INCHES MINIMUM AND 0.058 INCHES MAXIMUM |
| ABMR | INTERNAL KEY QUANTITY | 1 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-766,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| ABKV | OUTSIDE DIAMETER | 0.448 INCHES MINIMUM AND 0.458 INCHES MAXIMUM |
| ABLQ | DISTANCE FROM CENTERLINE TO TOP OF INTERNAL KEY | 0.036 INCHES NOMINAL |
| ABPX | MATERIAL THICKNESS | 0.029 INCHES MINIMUM AND 0.033 INCHES MAXIMUM |
| CSYM | SURFACE FINISH | 63.0 MICROINCHES ALL SURFACES |
| MATT | MATERIAL | STEEL COMP 302 OVERALL |
| STYL | STYLE DESIGNATOR | KEY |
| Components Related to NSN - 5310-00-753-3992, 5310007533992 | ||||
| 5340-01-301-6428 (5340013016428) | 5315-01-359-8766 (5315013598766) | 5330-01-647-7723 (5330016477723) | 5330-00-883-3709 (5330008833709) | |
| 5330-01-632-1994 (5330016321994) | 5330-01-209-0521 (5330012090521) | 5306-00-687-6359 (5306006876359) | 5331-01-699-1752 (5331016991752) | |
| 5340-00-337-5707 (5340003375707) | 5340-00-427-0270 (5340004270270) | 5342-00-467-6645 (5342004676645) | 5340-01-227-0536 (5340012270536) | |
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