| 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) | 00-393-5547 (003935547) |
| NCB Code | USA (00) |
| Manufacturer | Cooper Cameron Corp, Sterling Engine Co Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AASK | HEAD STYLE | FLAT |
| AASU | HEAD HEIGHT | 3.0000 INCHES NOMINAL |
| AATE | CHAMFER ANGLE IN DEG | 45.0 |
| AAZP | CHAMFER LENGTH | 0.03125 INCHES NOMINAL |
| ABKV | OUTSIDE DIAMETER | 2.3130 INCHES NOMINAL |
| AJFY | SEAT ANGLE IN DEG | 30.0 |
| ALYX | STEM STYLE | DOUBLE GROOVED |
| ALYZ | CARBON RELIEF GROOVE | NOT INCLUDED |
| ALZB | NECK RADIUS | 0.2500 INCHES NOMINAL |
| ALZD | STEM LENGTH | 6.4340 INCHES NOMINAL |
| ALZE | STEM DIAMETER | 0.4350 INCHES NOMINAL |
| ALZH | DISTANCE FROM FIRST GROOVE TO STEM END | 0.3080 INCHES NOMINAL |
| ALZJ | DISTANCE FROM SECOND GROOVE TO STEM END | 0.9270 INCHES NOMINAL |
| ALZL | FIRST GROOVE DIAMETER | 0.3600 INCHES NOMINAL |
| ALZN | SECOND GROOVE DIAMETER | 0.4200 INCHES NOMINAL |
| ALZQ | FIRST GROOVE WIDTH | 0.1320 INCHES NOMINAL |
| ALZR | SECOND GROOVE WIDTH | 0.0340 INCHES NOMINAL |
| ANNQ | MATERIAL AND LOCATION | STEEL OVERALL |
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