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 |
---|---|
54509 | NAPASCO INTERNATIONAL INC |
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 |
---|---|---|
ABKV | OUTSIDE DIAMETER | 1.7343 INCHES NOMINAL |
ALZH | DISTANCE FROM FIRST GROOVE TO STEM END | 0.5469 INCHES NOMINAL |
ALZJ | DISTANCE FROM SECOND GROOVE TO STEM END | 0.7500 INCHES NOMINAL |
AASU | HEAD HEIGHT | 0.1920 INCHES NOMINAL |
ALYZ | CARBON RELIEF GROOVE | NOT INCLUDED |
ALZN | SECOND GROOVE DIAMETER | 0.3260 INCHES NOMINAL |
ADNA | MINOR OUTSIDE DIAMETER | 0.3710 INCHES NOMINAL |
ALZD | STEM LENGTH | 5.2810 INCHES NOMINAL |
ALZE | STEM DIAMETER | 0.4145 INCHES NOMINAL |
AGRA | MINOR DIAMETER LENGTH | 1.0000 INCHES NOMINAL |
AAZP | CHAMFER LENGTH | 0.0156 INCHES NOMINAL |
ANNQ | MATERIAL AND LOCATION | STEEL, CORROSION RESISTING OVERALL |
ALZB | NECK RADIUS | 0.4062 INCHES NOMINAL |
ALZQ | FIRST GROOVE WIDTH | 0.1250 INCHES NOMINAL |
ALZL | FIRST GROOVE DIAMETER | 0.3260 INCHES NOMINAL |
ALZR | SECOND GROOVE WIDTH | 0.0781 NOMINAL INCHES |
ASXJ | METALLIC HARDNESS RATING AND LOCATION | NOT RATED |
ALZP | THIRD GROOVE DIAMETER | 0.0156 INCHES NOMINAL |
ALYX | STEM STYLE | DOUBLE GROOVED |
AASK | HEAD STYLE | CONCAVE |
AJFY | SEAT ANGLE IN DEG | 40.0 |
AATE | CHAMFER ANGLE IN DEG | 45.0 |