| Item Name | Valve Poppet Engine |
| INC Code | 15884 |
| Federal Supply Group (FSG) | Engines Turbines and Components |
| Federal Supply Class (FSC) | 2815 Diesel Engines and Components |
| National Item Identification Number (NIIN) | 00-512-3782 (005123782) |
| NCB Code | USA (00) |
| Manufacturer | Caterpillar Inc, Gould Inc, Trw Limited |
| MRC | Criteria | Characteristic |
|---|---|---|
| AASK | HEAD STYLE | FLAT |
| AASU | HEAD HEIGHT | 0.2360 INCHES NOMINAL |
| AATE | CHAMFER ANGLE IN DEG | 35.0 |
| AAZP | CHAMFER LENGTH | 0.0310 INCHES NOMINAL |
| ABKV | OUTSIDE DIAMETER | 1.9360 INCHES NOMINAL |
| AJFY | SEAT ANGLE IN DEG | 30.0 |
| ALYX | STEM STYLE | MUSHROOM |
| ALYZ | CARBON RELIEF GROOVE | NOT INCLUDED |
| ALZB | NECK RADIUS | 0.5620 INCHES NOMINAL |
| ALZD | STEM LENGTH | 7.8020 INCHES NOMINAL |
| ALZE | STEM DIAMETER | 0.4950 INCHES NOMINAL |
| ALZZ | MUSHROOM END LARGEST DIAMETER | 0.4950 INCHES NOMINAL |
| ANNQ | MATERIAL AND LOCATION | STEEL STEM |
| ANNQ | MATERIAL AND LOCATION | STEEL,CORROSION RESISTING HEAD |
| Relevant Components for NSN - 2815-00-512-3782, 2815005123782 | ||||
| 2815-01-490-6997 (2815014906997) | 2815-00-428-9719 (2815004289719) | 2815-01-118-9828 (2815011189828) | 2815-01-105-3059 (2815011053059) | |
| 2815-01-680-4011 (2815016804011) | 2815-01-486-0769 (2815014860769) | 2815-01-611-7861 (2815016117861) | 2815-00-768-2394 (2815007682394) | |
| 2815-01-500-0630 (2815015000630) | 2815-01-430-4020 (2815014304020) | 2815-01-601-6609 (2815016016609) | 2815-01-512-3015 (2815015123015) | |
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