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 |
|---|---|
| 53781 | SPX CORP |
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 |
|---|---|---|
| ABKV | OUTSIDE DIAMETER | 1.2970 INCHES MINIMUM AND 1.3070 INCHES MAXIMUM |
| ABKV | OUTSIDE DIAMETER | 1.2970 INCHES MINIMUM AND 1.3070 INCHES MAXIMUM |
| AAZP | CHAMFER LENGTH | 0.0312 INCHES NOMINAL |
| ANNQ | MATERIAL AND LOCATION | STEEL, FED STD 66, AISI/SAE 3140 OVERALL |
| ASXJ | METALLIC HARDNESS RATING AND LOCATION | 37.0 ROCKWELL C NOMINAL TIP |
| ALZB | NECK RADIUS | 0.2187 INCHES NOMINAL |
| ALYZ | CARBON RELIEF GROOVE | NOT INCLUDED |
| AASK | HEAD STYLE | FLAT |
| ALZY | DISTANCE FROM HOLE CENTER TO STEM END | 0.1562 INCHES NOMINAL |
| ZZZV | FSC APPLICATION DATA | GASOLINE ENGINE |
| ALZE | STEM DIAMETER | 0.2470 INCHES MINIMUM AND 0.2480 INCHES MAXIMUM |
| AJFY | SEAT ANGLE IN DEG | 30.0 |
| ALZD | STEM LENGTH | 3.0000 INCHES MINIMUM AND 3.0100 INCHES MAXIMUM |
| ALYX | STEM STYLE | DRILLED |
| AASU | HEAD HEIGHT | 0.1250 INCHES NOMINAL |
| AAUB | HOLE DIAMETER | 0.1260 INCHES MINIMUM AND 0.1320 INCHES MAXIMUM |
| AATE | CHAMFER ANGLE IN DEG | 45.0 |