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 |
|---|---|
| 31033 | TRW INC TRW INTL TRADE GOVERNMENT SA |
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 | 6.3870 INCHES NOMINAL |
| ALZH | DISTANCE FROM FIRST GROOVE TO STEM END | 0.2350 INCHES NOMINAL |
| ALZB | NECK RADIUS | 0.3750 INCHES NOMINAL |
| ALZL | FIRST GROOVE DIAMETER | 0.3050 INCHES NOMINAL |
| AJFY | SEAT ANGLE IN DEG | 45.0 |
| ANNQ | MATERIAL AND LOCATION | STEEL OVERALL |
| ALZE | STEM DIAMETER | 0.3720 INCHES NOMINAL |
| ALZJ | DISTANCE FROM SECOND GROOVE TO STEM END | 0.3940 INCHES NOMINAL |
| ALYZ | CARBON RELIEF GROOVE | NOT INCLUDED |
| AASU | HEAD HEIGHT | 0.1500 INCHES NOMINAL |
| ALZN | SECOND GROOVE DIAMETER | 0.3050 INCHES NOMINAL |
| AASK | HEAD STYLE | FLAT |
| AAZP | CHAMFER LENGTH | 0.0156 INCHES NOMINAL |
| ALZR | SECOND GROOVE WIDTH | 0.0650 NOMINAL INCHES |
| ASXJ | METALLIC HARDNESS RATING AND LOCATION | 50.0 ROCKWELL C UPPER GYRO HOUSING TOP MINIMUM AND 60.0 ROCKWELL C MOUNTING PLATE ASSEMBLY MINIMUM |
| ALZQ | FIRST GROOVE WIDTH | 0.0650 INCHES NOMINAL |
| ALYX | STEM STYLE | DOUBLE GROOVED |
| ABKV | OUTSIDE DIAMETER | 1.8950 INCHES NOMINAL |
| AATE | CHAMFER ANGLE IN DEG | 45.0 |