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 | ||||
| 2810-00-215-9725 (2810002159725) | 2810-01-442-8304 (2810014428304) | 2840-00-054-1352 (2840000541352) | 2825-00-147-5817 (2825001475817) | |
| 2840-00-936-0717 (2840009360717) | 2805-01-624-8047 (2805016248047) | 2840-01-680-0148 (2840016800148) | 2815-00-963-3563 (2815009633563) | |
| 2840-00-432-3057 (2840004323057) | 2815-01-609-8784 (2815016098784) | 2835-01-033-7276 (2835010337276) | 2840-01-686-5641 (2840016865641) | |
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