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
GASOLINE RECIPROCATING ENGINES,
Inclusions:
INCLUDES GAS RECIPROCATING ENGINES; ALL GASOLINE RECIPROCATING ENGINES EXCEPT AIRCRAFT PRIME MOVING.
Exclusions:
EXCLUDES ENGINE ACCESSORIES (FSC 2990).
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| ALZD | STEM LENGTH | 0.6562 INCHES NOMINAL |
| ALZP | THIRD GROOVE DIAMETER | 0.3050 INCHES NOMINAL |
| AAZP | CHAMFER LENGTH | 0.0312 INCHES NOMINAL |
| ALZB | NECK RADIUS | 0.1562 INCHES NOMINAL |
| ALZL | FIRST GROOVE DIAMETER | 0.3050 INCHES NOMINAL |
| AJFY | SEAT ANGLE IN DEG | 45.0 |
| ANNQ | MATERIAL AND LOCATION | STEEL OVERALL |
| ADNA | MINOR OUTSIDE DIAMETER | 0.3700 INCHES NOMINAL |
| ALZR | SECOND GROOVE WIDTH | 0.0625 INCHES NOMINAL |
| ALYZ | CARBON RELIEF GROOVE | NOT INCLUDED |
| ALZN | SECOND GROOVE DIAMETER | 0.3050 INCHES NOMINAL |
| AASK | HEAD STYLE | FLAT |
| ALZK | DISTANCE FROM THIRD GROOVE TO STEM END | 0.4062 INCHES NOMINAL |
| ABGK | TAPER ANGLE IN DEG | 20.0 |
| ALZE | STEM DIAMETER | 0.3750 INCHES NOMINAL |
| AATE | CHAMFER ANGLE IN DEG | 30.0 |
| ABKV | OUTSIDE DIAMETER | 1.3594 INCHES NOMINAL |
| FEAT | SPECIAL FEATURES | 1 ADDITIONAL GROOVE 4ALL TOGETHER DIA OF 4TH GROOVE 0.305 IN. DISTANCE FROM 4 TH GROOVE TO STEM END 0.531 IN. 4 TH GROOVE W 0.031 IN |
| ALZQ | FIRST GROOVE WIDTH | 0.0625 INCHES NOMINAL |
| ALYX | STEM STYLE | TAPERED MULTI-GROOVED |
| ALZJ | DISTANCE FROM SECOND GROOVE TO STEM END | 0.3125 INCHES NOMINAL |
| AGRA | MINOR DIAMETER LENGTH | 0.5625 INCHES NOMINAL |
| ASXJ | METALLIC HARDNESS RATING AND LOCATION | NOT RATED |
| AASU | HEAD HEIGHT | 0.1562 INCHES NOMINAL |
| ALZH | DISTANCE FROM FIRST GROOVE TO STEM END | 0.2187 INCHES NOMINAL |
| ALZS | THIRD GROOVE WIDTH | 0.0625 INCHES NOMINAL |