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 |
|---|---|---|
| AAZP | CHAMFER LENGTH | 0.0625 INCHES NOMINAL |
| AAZP | CHAMFER LENGTH | 0.0625 INCHES NOMINAL |
| ASXJ | METALLIC HARDNESS RATING AND LOCATION | 55.0 HORSEPOWER METRIC 3 DRILLED HOLES, CONFIGURATION H OVERALL |
| ALZD | STEM LENGTH | 5.0313 INCHES NOMINAL |
| ABKV | OUTSIDE DIAMETER | 1.3230 INCHES MINIMUM AND 1.3330 INCHES MAXIMUM |
| AJFY | SEAT ANGLE IN DEG | 44.0 |
| ANNQ | MATERIAL AND LOCATION | STEEL, FED STD 66, SAE EV1 OVERALL |
| ALYZ | CARBON RELIEF GROOVE | NOT INCLUDED |
| ASXJ | METALLIC HARDNESS RATING AND LOCATION | 45.0 HORSEPOWER METRIC 2 DRILLED HOLES, CONFIGURATION H OVERALL |
| AASK | HEAD STYLE | MUSHROOM |
| AASU | HEAD HEIGHT | 0.1718 INCHES NOMINAL |
| AATE | CHAMFER ANGLE IN DEG | 30.0 |
| ZZZV | FSC APPLICATION DATA | GASOLINE ENGINE |
| ALZE | STEM DIAMETER | 0.3382 INCHES MINIMUM AND 0.3390 INCHES MAXIMUM |
| ALZB | NECK RADIUS | 0.2500 INCHES NOMINAL |
| AAUB | HOLE DIAMETER | 0.1280 INCHES NOMINAL |
| ALYX | STEM STYLE | DRILLED |
| ALZY | DISTANCE FROM HOLE CENTER TO STEM END | 0.4531 INCHES NOMINAL |