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 |
|---|---|
| 51660 | SUPERIOR AIR PARTS 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 |
|---|---|---|
| AAZP | CHAMFER LENGTH | 0.0300 INCHES NOMINAL |
| AAZP | CHAMFER LENGTH | 0.0300 INCHES NOMINAL |
| ASXJ | METALLIC HARDNESS RATING AND LOCATION | 45.0 MEGAWATTS 3 DRILLED HOLES, CONFIGURATION H OVERALL |
| AJFY | SEAT ANGLE IN DEG | 45.0 |
| AAVZ | GROOVE DIAMETER | 0.3590 INCHES MINIMUM AND 0.3650 INCHES MAXIMUM |
| ALYX | STEM STYLE | GROOVED |
| ALZB | NECK RADIUS | 0.5000 INCHES NOMINAL |
| ANNQ | MATERIAL AND LOCATION | STEEL OVERALL |
| ALYZ | CARBON RELIEF GROOVE | NOT INCLUDED |
| ABGF | GROOVE WIDTH | 0.1560 INCHES MINIMUM AND 0.1660 INCHES MAXIMUM |
| ABKV | OUTSIDE DIAMETER | 2.3070 INCHES MINIMUM AND 2.3170 INCHES MAXIMUM |
| ALZG | DISTANCE FROM GROOVE TO STEM END | 0.3200 INCHES NOMINAL |
| ALZD | STEM LENGTH | 4.7140 INCHES MINIMUM AND 4.7240 INCHES MAXIMUM |
| ALZE | STEM DIAMETER | 0.4330 INCHES MINIMUM AND 0.4340 INCHES MAXIMUM |
| AASK | HEAD STYLE | CONCAVE |
| AASU | HEAD HEIGHT | 0.1620 INCHES MINIMUM AND 0.1720 INCHES MAXIMUM |
| ASXJ | METALLIC HARDNESS RATING AND LOCATION | 40.0 MEGAWATTS 2 DRILLED HOLES, CONFIGURATION H OVERALL |
| AATE | CHAMFER ANGLE IN DEG | 45.0 |