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 |
|---|---|
| 20912 | ERTEL ENGINEERING 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 |
|---|---|---|
| ANNQ | MATERIAL AND LOCATION | STEEL, CHROMIUM-NICKEL-ALLOY OVERALL |
| ABKV | OUTSIDE DIAMETER | 1.2656 INCHES NOMINAL |
| AJFY | SEAT ANGLE IN DEG | 45.0 |
| ALYX | STEM STYLE | GROOVED |
| AAVZ | GROOVE DIAMETER | 0.2700 INCHES NOMINAL |
| ALYZ | CARBON RELIEF GROOVE | NOT INCLUDED |
| ALZE | STEM DIAMETER | 0.3090 INCHES NOMINAL |
| AASK | HEAD STYLE | FLAT |
| ABGF | GROOVE WIDTH | 0.2000 INCHES NOMINAL |
| ALZD | STEM LENGTH | 4.0970 INCHES NOMINAL |
| ALZG | DISTANCE FROM GROOVE TO STEM END | 0.2000 INCHES NOMINAL |
| AASU | HEAD HEIGHT | 0.1680 INCHES NOMINAL |
| ASXJ | METALLIC HARDNESS RATING AND LOCATION | NOT RATED |
| ALZB | NECK RADIUS | 0.2656 INCHES NOMINAL |