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 |
|---|---|
| 72156 | ELGIN INDUSTRIES INC. DBA |
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 | 4.5937 INCHES NOMINAL |
| AAZP | CHAMFER LENGTH | 0.0312 INCHES NOMINAL |
| ALZQ | FIRST GROOVE WIDTH | 0.1562 INCHES NOMINAL |
| ALZB | NECK RADIUS | 0.3750 INCHES NOMINAL |
| ABKV | OUTSIDE DIAMETER | 1.8437 INCHES NOMINAL |
| AJFY | SEAT ANGLE IN DEG | 45.0 |
| ALYZ | CARBON RELIEF GROOVE | NOT INCLUDED |
| AASK | HEAD STYLE | FLAT |
| ALZR | SECOND GROOVE WIDTH | 0.0625 NOMINAL INCHES |
| ANNQ | MATERIAL AND LOCATION | STEEL, CORROSION RESISTING OVERALL |
| ALZL | FIRST GROOVE DIAMETER | 0.3150 INCHES NOMINAL |
| AATE | CHAMFER ANGLE IN DEG | 30.0 |
| ALZH | DISTANCE FROM FIRST GROOVE TO STEM END | 0.1875 INCHES NOMINAL |
| ALZE | STEM DIAMETER | 0.3725 INCHES NOMINAL |
| ALZJ | DISTANCE FROM SECOND GROOVE TO STEM END | 0.3125 INCHES NOMINAL |
| ASXJ | METALLIC HARDNESS RATING AND LOCATION | NOT RATED |
| ALYX | STEM STYLE | DOUBLE GROOVED |
| AASU | HEAD HEIGHT | 0.1250 INCHES NOMINAL |
| ALZN | SECOND GROOVE DIAMETER | 0.3150 INCHES NOMINAL |