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 |
|---|---|
| 31033 | TRW INC TRW INTL TRADE GOVERNMENT SA |
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 |
|---|---|---|
| ALZB | NECK RADIUS | 0.3800 INCHES NOMINAL |
| AJFY | SEAT ANGLE IN DEG | 45.0 |
| ALYX | STEM STYLE | GROOVED |
| ALZD | STEM LENGTH | 5.6390 INCHES NOMINAL |
| ALYZ | CARBON RELIEF GROOVE | NOT INCLUDED |
| ABGF | GROOVE WIDTH | 0.1420 INCHES NOMINAL |
| AASK | HEAD STYLE | FLAT |
| ALZG | DISTANCE FROM GROOVE TO STEM END | 0.1590 INCHES NOMINAL |
| AAVZ | GROOVE DIAMETER | 0.3660 INCHES NOMINAL |
| ZZZV | FSC APPLICATION DATA | GASOLINE ENGINE |
| ALZE | STEM DIAMETER | 0.4349 INCHES MINIMUM AND 0.4358 INCHES MAXIMUM |
| ANNQ | MATERIAL AND LOCATION | STEEL, FED STD 66, SAE EV6 HEAD |
| ANNQ | MATERIAL AND LOCATION | STEEL, FED STD 66, AISI/SAE 8645 STEM |
| ASXJ | METALLIC HARDNESS RATING AND LOCATION | 20.0 MEGAWATTS 1 DRILLED HOLE, CONFIGURATION H STEM |
| ASXJ | METALLIC HARDNESS RATING AND LOCATION | 43.0 MEGAWATTS 1 DRILLED HOLE, CONFIGURATION H HEAD |
| ABKV | OUTSIDE DIAMETER | 2.0150 INCHES MINIMUM AND 2.0250 INCHES MAXIMUM |
| AASU | HEAD HEIGHT | 0.2000 INCHES NOMINAL |
| AAZP | CHAMFER LENGTH | 0.0200 INCHES NOMINAL |
| AATE | CHAMFER ANGLE IN DEG | 45.0 |