AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Lock,Valve Spring Retainer |
| Federal Supply Group (FSG) | Engines Turbines and Components |
| Federal Supply Class (FSC) | 2815 Diesel Engines and Components |
| National Item Identification Number (NIIN) | 00-528-6064 (005286064) |
| NCB Code | USA (00) |
| Manufacturer | Norfolk Naval Shipyard |
| MRC | Criteria | Characteristic |
|---|---|---|
| AASG | CASEHARDENING INDICATOR | CASEHARDENED |
| ABKW | OVERALL HEIGHT | 0.438 INCHES NOMINAL |
| AFEW | THREAD PROVISION | UNTHREADED |
| AGRU | LARGEST INSIDE DIAMETER | 0.374 INCHES MINIMUM AND 0.376 INCHES MAXIMUM |
| AGWL | SMALLEST OUTSIDE DIAMETER | 0.562 INCHES NOMINAL |
| AGWM | LARGEST OUTSIDE DIAMETER | 0.660 INCHES NOMINAL |
| BKKZ | MINIMUM INSIDE DIAMETER | 0.309 INCHES |
| BQTL | SMALLEST OUTSIDE DIAMETER CHAMFER ANGLE IN DEG | 45.0 |
| BQTQ | TOP COUNTERBORE DEPTH | 0.250 INCHES NOMINAL |
| BRQD | HEIGHT TO SHOULDER | 0.250 INCHES NOMINAL |
| BRQJ | OUTSIDE INCLUDED ANGLE IN DEG | 30.0 |
| MATT | MATERIAL | STEEL |
| STYL | STYLE DESIGNATOR | BOTTOM COUNTERBORE-BOTTOM OUTER CHAMFER-UNDERCUT |
| Relevant Components for NSN - 2815-00-528-6064, 2815005286064 | ||||
| 2825-00-790-8901 (2825007908901) | 2825-01-010-8535 (2825010108535) | 2825-00-371-7811 (2825003717811) | 2805-01-264-5598 (2805012645598) | |
| 2840-01-375-6452 (2840013756452) | 2805-01-130-2594 (2805011302594) | 2835-01-234-6845 (2835012346845) | 2805-01-714-1073 (2805017141073) | |
| 2840-00-837-2120 (2840008372120) | 2840-01-708-1715 (2840017081715) | 2840-01-200-9553 (2840012009553) | 2805-00-710-5355 (2805007105355) | |
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