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 |
|---|---|---|
| ALZE | STEM DIAMETER | 0.4339 INCHES MINIMUM AND 0.4350 INCHES MAXIMUM |
| ALZG | DISTANCE FROM GROOVE TO STEM END | 0.3600 INCHES NOMINAL |
| AAVZ | GROOVE DIAMETER | 0.3590 INCHES MINIMUM AND 0.3650 INCHES MAXIMUM |
| ALYX | STEM STYLE | GROOVED |
| ANNQ | MATERIAL AND LOCATION | STEEL OVERALL |
| ALYZ | CARBON RELIEF GROOVE | NOT INCLUDED |
| AASK | HEAD STYLE | MUSHROOM |
| AAZP | CHAMFER LENGTH | 0.0156 INCHES NOMINAL |
| ABKV | OUTSIDE DIAMETER | 1.8800 INCHES MINIMUM AND 1.9000 INCHES MAXIMUM |
| ZZZV | FSC APPLICATION DATA | GASOLINE ENGINE |
| ALZD | STEM LENGTH | 6.1090 INCHES NOMINAL |
| AASU | HEAD HEIGHT | 0.0940 INCHES MINIMUM AND 0.1190 INCHES MAXIMUM |
| ABGF | GROOVE WIDTH | 0.1320 INCHES MINIMUM AND 0.1420 INCHES MAXIMUM |
| ALZB | NECK RADIUS | 0.2500 INCHES NOMINAL |
| AJFY | SEAT ANGLE IN DEG | 30.0 |
| ASXJ | METALLIC HARDNESS RATING AND LOCATION | 50.0 HORSEPOWER METRIC 2 DRILLED HOLES, CONFIGURATION H TIP |
| ASXJ | METALLIC HARDNESS RATING AND LOCATION | 60.0 HORSEPOWER METRIC 3 DRILLED HOLES, CONFIGURATION H TIP |
| AATE | CHAMFER ANGLE IN DEG | 45.0 |