Part Number
Part Number:
NSN:
NIIN:
Item Name:
VALVE , POPPET , ENGINE
Definition:
A MUSHROOM OR TULIP-SHAPED ITEM HAVING A CIRCULAR HEAD WITH A CONICAL FACE AND AN EXTENDED STEM USED TO REGULATE THE FLOW OF INCOMING FUEL-AIR MIXTURE OR AIR INTO THE COMBUSTION CHAMBER OR EXHAUST GASES FROM THE COMBUSTION CHAMBER OF A RECIPROCATING INTERNAL COMBUSTION ENGINE.
CAGE Information
| Code | Company |
|---|---|
| 72915 | GENERAL MOTORS CORP ELECTRO-MOTIVE D |
Federal Supply Class
Title
DIESEL ENGINES AND COMPONENTS
Inclusions:
INCLUDES AUTOMOTIVE, INDUSTRIAL, MARINE, LOCOMOTIVE, AND ALL OTHER TYPES OF DIESEL AND SEMI-DIESEL ENGINES.
Exclusions:
EXCLUDES ENGINES ACCESSORIES (FSC 2990).
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| ALZD | STEM LENGTH | 9.6720 INCHES MINIMUM AND 9.6920 INCHES MAXIMUM |
| ALZD | STEM LENGTH | 9.6720 INCHES MINIMUM AND 9.6920 INCHES MAXIMUM |
| AAZP | CHAMFER LENGTH | 0.0312 INCHES NOMINAL |
| ALZN | SECOND GROOVE DIAMETER | 0.4580 INCHES MINIMUM AND 0.4620 INCHES MAXIMUM |
| ALZJ | DISTANCE FROM SECOND GROOVE TO STEM END | 0.5930 INCHES MINIMUM AND 0.6050 INCHES MAXIMUM |
| ASXJ | METALLIC HARDNESS RATING AND LOCATION | 25.0 MEGAWATTS 2 DRILLED HOLES, CONFIGURATION H STEM AND 35.0 MEGAWATTS 3 DRILLED HOLES, CONFIGURATION H STEM |
| ALYZ | CARBON RELIEF GROOVE | INCLUDED |
| AJFY | SEAT ANGLE IN DEG | 45.0 |
| ANNQ | MATERIAL AND LOCATION | STEEL OVERALL |
| ALZL | FIRST GROOVE DIAMETER | 0.4580 INCHES MINIMUM AND 0.4620 INCHES MAXIMUM |
| AASK | HEAD STYLE | FLAT |
| AGRA | MINOR DIAMETER LENGTH | 1.0000 INCHES NOMINAL |
| ALZR | SECOND GROOVE WIDTH | 0.1280 NOMINAL MILS AND 0.1340 NOMINAL CENTIMETERS |
| AASU | HEAD HEIGHT | 0.1550 INCHES MINIMUM AND 0.1650 INCHES MAXIMUM |
| ALZH | DISTANCE FROM FIRST GROOVE TO STEM END | 0.3440 INCHES MINIMUM AND 0.3540 INCHES MAXIMUM |
| ALZQ | FIRST GROOVE WIDTH | 0.1280 INCHES MINIMUM AND 0.1340 INCHES MAXIMUM |
| ABKV | OUTSIDE DIAMETER | 2.6750 INCHES MINIMUM AND 2.7750 INCHES MAXIMUM |
| ASXJ | METALLIC HARDNESS RATING AND LOCATION | 45.0 MEGAWATTS 1 DRILLED HOLE, CONFIGURATION H TIP |
| ALZE | STEM DIAMETER | 0.5620 INCHES MINIMUM AND 0.5630 INCHES MAXIMUM |
| ALYX | STEM STYLE | DOUBLE GROOVED |
| ADNA | MINOR OUTSIDE DIAMETER | 0.5560 INCHES MINIMUM AND 0.5580 INCHES MAXIMUM |
| ALZB | NECK RADIUS | 1.7500 INCHES NOMINAL |
| ASXJ | METALLIC HARDNESS RATING AND LOCATION | 25.0 MEGAWATTS 2 DRILLED HOLES, CONFIGURATION H HEAD AND 35.0 MEGAWATTS 3 DRILLED HOLES, CONFIGURATION H HEAD |
| AATE | CHAMFER ANGLE IN DEG | 45.0 |