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 |
|---|---|
| 77220 | DANA CORP ENGINE PRODUCTS DIV |
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 |
|---|---|---|
| FEAT | SPECIAL FEATURES | STEM END REDUCED TO 0.342 IN.DIA,1.000 IN. LG |
| ALZE | STEM DIAMETER | 0.4365 INCHES NOMINAL |
| AJFY | SEAT ANGLE IN DEG | 45.0 |
| ALYX | STEM STYLE | GROOVED |
| ALYZ | CARBON RELIEF GROOVE | NOT INCLUDED |
| ANNQ | MATERIAL AND LOCATION | STEEL STEM |
| ALZB | NECK RADIUS | 0.5393 INCHES NOMINAL |
| AASK | HEAD STYLE | FLAT |
| ANNQ | MATERIAL AND LOCATION | STEEL, CORROSION RESISTING HEAD |
| AAZP | CHAMFER LENGTH | 0.0156 INCHES NOMINAL |
| ALZG | DISTANCE FROM GROOVE TO STEM END | 0.2620 INCHES NOMINAL |
| AAVZ | GROOVE DIAMETER | 0.3040 INCHES NOMINAL |
| AASU | HEAD HEIGHT | 0.2150 INCHES NOMINAL |
| ABGF | GROOVE WIDTH | 0.1250 INCHES NOMINAL |
| ASXJ | METALLIC HARDNESS RATING AND LOCATION | NOT RATED |
| ALZD | STEM LENGTH | 5.6875 INCHES NOMINAL |
| ABKV | OUTSIDE DIAMETER | 1.8820 INCHES NOMINAL |
| AATE | CHAMFER ANGLE IN DEG | 45.0 |