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 |
|---|---|
| 12603 | CLARK EQUIPMENT CO |
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 |
|---|---|---|
| AASU | HEAD HEIGHT | 0.1330 INCHES MINIMUM AND 0.1430 INCHES MAXIMUM |
| ALZB | NECK RADIUS | 0.3750 INCHES NOMINAL |
| AAZP | CHAMFER LENGTH | 0.0132 INCHES NOMINAL |
| ALZN | SECOND GROOVE DIAMETER | 0.2880 INCHES MINIMUM AND 0.2920 INCHES MAXIMUM |
| ALYZ | CARBON RELIEF GROOVE | INCLUDED |
| ANNQ | MATERIAL AND LOCATION | STEEL OVERALL |
| AASK | HEAD STYLE | FLAT |
| ASXJ | METALLIC HARDNESS RATING AND LOCATION | 32.0 MEGAWATTS 2 DRILLED HOLES, CONFIGURATION H STEM |
| ALZJ | DISTANCE FROM SECOND GROOVE TO STEM END | 0.4061 INCHES NOMINAL |
| ALZE | STEM DIAMETER | 0.3095 INCHES MINIMUM AND 0.3105 INCHES MAXIMUM |
| ALZL | FIRST GROOVE DIAMETER | 0.2400 INCHES MINIMUM AND 0.2460 INCHES MAXIMUM |
| ALZH | DISTANCE FROM FIRST GROOVE TO STEM END | 0.2500 INCHES NOMINAL |
| ZZZV | FSC APPLICATION DATA | GASOLINE ENGINE |
| ALZD | STEM LENGTH | 4.1485 INCHES MINIMUM AND 4.1635 INCHES MAXIMUM |
| ALZQ | FIRST GROOVE WIDTH | 0.5000 INCHES NOMINAL |
| ASXJ | METALLIC HARDNESS RATING AND LOCATION | 60.0 HORSEPOWER METRIC 2 DRILLED HOLES, CONFIGURATION H TIP |
| ABKV | OUTSIDE DIAMETER | 1.6356 INCHES MINIMUM AND 1.6456 INCHES MAXIMUM |
| AJFY | SEAT ANGLE IN DEG | 30.0 |
| ALYX | STEM STYLE | DOUBLE GROOVED |
| ASXJ | METALLIC HARDNESS RATING AND LOCATION | 38.0 MEGAWATTS 3 DRILLED HOLES, CONFIGURATION H STEM |
| ALZR | SECOND GROOVE WIDTH | 0.5000 NOMINAL INCHES |
| AATE | CHAMFER ANGLE IN DEG | 45.0 |