| 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) | 00-223-7790 (002237790) |
| NCB Code | USA (00) |
| Manufacturer | Dresser Industries Inc, Viking Corporation |
| MRC | Criteria | Characteristic |
|---|---|---|
| AASK | HEAD STYLE | FLAT |
| AASU | HEAD HEIGHT | 0.1670 INCHES MINIMUM AND 0.2070 INCHES MAXIMUM |
| AATE | CHAMFER ANGLE IN DEG | 30.0 |
| AAZP | CHAMFER LENGTH | 0.0380 INCHES MINIMUM AND 0.0510 INCHES MAXIMUM |
| ABKV | OUTSIDE DIAMETER | 1.9300 INCHES MINIMUM AND 1.9400 INCHES MAXIMUM |
| AJFY | SEAT ANGLE IN DEG | 45.0 |
| ALYX | STEM STYLE | DOUBLE GROOVED |
| ALYZ | CARBON RELIEF GROOVE | NOT INCLUDED |
| ALZB | NECK RADIUS | 0.4400 INCHES NOMINAL |
| ALZD | STEM LENGTH | 7.1470 INCHES NOMINAL |
| ALZE | STEM DIAMETER | 0.3715 INCHES NOMINAL |
| ALZH | DISTANCE FROM FIRST GROOVE TO STEM END | 0.3750 INCHES NOMINAL |
| ALZJ | DISTANCE FROM SECOND GROOVE TO STEM END | 0.5310 INCHES NOMINAL |
| ALZL | FIRST GROOVE DIAMETER | 0.3020 INCHES MINIMUM AND 0.3080 INCHES MAXIMUM |
| ALZN | SECOND GROOVE DIAMETER | 0.3020 INCHES MINIMUM AND 0.3080 INCHES MAXIMUM |
| ALZQ | FIRST GROOVE WIDTH | 0.0620 INCHES NOMINAL |
| ALZR | SECOND GROOVE WIDTH | 0.0620 INCHES NOMINAL |
| ANNQ | MATERIAL AND LOCATION | STEEL,EMS CLASS 57,EATON,YALE AND TOWNE INC STEM |
| ANNQ | MATERIAL AND LOCATION | STEEL,EMS CLASS 213,/FSCM 92856/ EATON CORP VALVE DIV,SEAT FACE |
| ANNQ | MATERIAL AND LOCATION | STEEL,EMS CLASS 31,/FSCM 92856/ EATON CORP VALVE DIV,HEAD |
| ASXJ | METALLIC HARDNESS RATING AND LOCATION | 30.0 ROCKWELL C MINIMUM STEM |
| ASXJ | METALLIC HARDNESS RATING AND LOCATION | 40.0 ROCKWELL C MAXIMUM STEM |
| Relevant Components for NSN - 2815-00-223-7790, 2815002237790 | ||||
| 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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