AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Valve Poppet Engine |
| Federal Supply Group (FSG) | Engines Turbines and Components |
| Federal Supply Class (FSC) | 2815 Diesel Engines and Components |
| National Item Identification Number (NIIN) | 01-050-3951 (010503951) |
| NCB Code | USA (01) |
| Manufacturer | Trw Limited, Agco Corp |
| MRC | Criteria | Characteristic |
|---|---|---|
| AASK | HEAD STYLE | FLAT |
| AASU | HEAD HEIGHT | 0.1700 INCHES NOMINAL |
| AATE | CHAMFER ANGLE IN DEG | 30.0 |
| AAVZ | GROOVE DIAMETER | 0.0332 INCHES NOMINAL |
| AAZP | CHAMFER LENGTH | 0.0150 INCHES NOMINAL |
| ABGF | GROOVE WIDTH | 0.1000 INCHES NOMINAL |
| ABKV | OUTSIDE DIAMETER | 1.8390 INCHES NOMINAL |
| AJFY | SEAT ANGLE IN DEG | 29.0 |
| ALYX | STEM STYLE | GROOVED |
| ALYZ | CARBON RELIEF GROOVE | NOT INCLUDED |
| ALZB | NECK RADIUS | 0.3750 INCHES NOMINAL |
| ALZD | STEM LENGTH | 5.8490 INCHES NOMINAL |
| ALZE | STEM DIAMETER | 0.3715 INCHES NOMINAL |
| ALZG | DISTANCE FROM GROOVE TO STEM END | 0.4010 INCHES NOMINAL |
| ANNQ | MATERIAL AND LOCATION | STEEL OVERALL |
| Relevant Components for NSN - 2815-01-050-3951, 2815010503951 | ||||
| 2840-01-358-6667 (2840013586667) | 2825-00-059-6804 (2825000596804) | 2840-01-536-5084 (2840015365084) | 2825-00-218-6025 (2825002186025) | |
| 2835-00-070-3789 (2835000703789) | 2815-01-513-0449 (2815015130449) | 2815-00-097-1842 (2815000971842) | 2840-00-406-8327 (2840004068327) | |
| 2840-01-489-1389 (2840014891389) | 2825-00-524-0790 (2825005240790) | 2825-00-271-9631 (2825002719631) | 2835-01-078-2054 (2835010782054) | |
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