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 |
|---|---|
| 76255 | MCQUAY-NORRIS INC OEM DIV AN SKF IND |
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 | 0.0300 INCHES NOMINAL |
| AAZP | CHAMFER LENGTH | 0.0300 INCHES NOMINAL |
| ALZG | DISTANCE FROM GROOVE TO STEM END | 0.1900 INCHES NOMINAL |
| ASXJ | METALLIC HARDNESS RATING AND LOCATION | 52.0 ROCKWELL C NOMINAL TIP |
| ANNQ | MATERIAL AND LOCATION | STEEL, FED STD 66, AISI/SAE 3140 OVERALL |
| AJFY | SEAT ANGLE IN DEG | 45.0 |
| ALYX | STEM STYLE | GROOVED |
| ALYZ | CARBON RELIEF GROOVE | NOT INCLUDED |
| AASK | HEAD STYLE | FLAT |
| ABKV | OUTSIDE DIAMETER | 1.4650 INCHES MINIMUM AND 1.4710 INCHES MAXIMUM |
| ALZB | NECK RADIUS | 0.3120 INCHES NOMINAL |
| ABGF | GROOVE WIDTH | 0.3105 INCHES MINIMUM AND 0.3145 INCHES MAXIMUM |
| ALZD | STEM LENGTH | 5.2000 INCHES NOMINAL |
| AAVZ | GROOVE DIAMETER | 0.2480 INCHES MINIMUM AND 0.2520 INCHES MAXIMUM |
| AASU | HEAD HEIGHT | 0.1550 INCHES MINIMUM AND 1.1800 INCHES MAXIMUM |
| ALZE | STEM DIAMETER | 0.3717 INCHES MINIMUM AND 0.3725 INCHES MAXIMUM |
| AATE | CHAMFER ANGLE IN DEG | 45.0 |