| 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) | 00-361-4718 (003614718) |
| NCB Code | USA (00) |
| Manufacturer | Allis Chalmers Corp, Sterling Detroit Corp |
| MRC | Criteria | Characteristic |
|---|---|---|
| AASK | HEAD STYLE | MUSHROOM |
| AASU | HEAD HEIGHT | 0.1810 INCHES MINIMUM AND 0.2010 INCHES MAXIMUM |
| AATE | CHAMFER ANGLE IN DEG | 45.0 |
| AAZP | CHAMFER LENGTH | 0.0160 INCHES NOMINAL |
| ABKV | OUTSIDE DIAMETER | 1.5060 INCHES MINIMUM AND 1.5160 INCHES MAXIMUM |
| AJFY | SEAT ANGLE IN DEG | 45.0 |
| ALYX | STEM STYLE | DOUBLE GROOVED |
| ALYZ | CARBON RELIEF GROOVE | NOT INCLUDED |
| ALZB | NECK RADIUS | 0.4380 INCHES NOMINAL |
| ALZD | STEM LENGTH | 5.6600 INCHES MINIMUM AND 5.6800 INCHES MAXIMUM |
| ALZE | STEM DIAMETER | 0.3090 INCHES MINIMUM AND 0.3100 INCHES MAXIMUM |
| ALZH | DISTANCE FROM FIRST GROOVE TO STEM END | 0.2970 INCHES MINIMUM AND 0.3170 INCHES MAXIMUM |
| ALZJ | DISTANCE FROM SECOND GROOVE TO STEM END | 0.9340 INCHES NOMINAL |
| ALZL | FIRST GROOVE DIAMETER | 0.2670 INCHES MINIMUM AND 0.2730 INCHES MAXIMUM |
| ALZN | SECOND GROOVE DIAMETER | 0.2640 INCHES MINIMUM AND 0.2700 INCHES MAXIMUM |
| ALZQ | FIRST GROOVE WIDTH | 0.0950 INCHES MINIMUM AND 0.1050 INCHES MAXIMUM |
| ALZR | SECOND GROOVE WIDTH | 0.0950 INCHES MINIMUM AND 0.1050 INCHES MAXIMUM |
| ANNQ | MATERIAL AND LOCATION | STEEL OVERALL |
| ASXJ | METALLIC HARDNESS RATING AND LOCATION | 30.0 ROCKWELL C MINIMUM STEM |
| ASXJ | METALLIC HARDNESS RATING AND LOCATION | 40.0 ROCKWELL C MAXIMUM STEM |
| ASXJ | METALLIC HARDNESS RATING AND LOCATION | 48.5 ROCKWELL C MINIMUM TIP |
| ZZZV | FSC APPLICATION DATA | DIESEL ENGINE |
| Relevant Components for NSN - 2815-00-361-4718, 2815003614718 | ||||
| 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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