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 |
|---|---|
| 02978 | L-3 COMMUNICATIONS CORPORATION DBA C |
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 | 0.0450 NOMINAL INCHES |
| AAVZ | GROOVE DIAMETER | 0.3000 INCHES NOMINAL |
| ALYZ | CARBON RELIEF GROOVE | INCLUDED |
| AJFY | SEAT ANGLE IN DEG | 45.0 |
| ALYX | STEM STYLE | GROOVED |
| ABGF | GROOVE WIDTH | 0.1000 INCHES NOMINAL |
| ABKV | OUTSIDE DIAMETER | 1.2020 INCHES NOMINAL |
| AASK | HEAD STYLE | MUSHROOM |
| ANNQ | MATERIAL AND LOCATION | STEEL, CORROSION RESISTING OVERALL |
| ALZE | STEM DIAMETER | 0.3360 NOMINAL INCHES |
| ALZB | NECK RADIUS | 0.2340 NOMINAL INCHES |
| AATE | CHAMFER ANGLE IN DEG | 30.0 |
| ALZG | DISTANCE FROM GROOVE TO STEM END | 0.2750 NOMINAL INCHES |
| AASU | HEAD HEIGHT | 0.2000 INCHES NOMINAL |
| ALZD | STEM LENGTH | 5.0240 NOMINAL INCHES |