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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
72915 GENERAL MOTORS CORP ELECTRO-MOTIVE D

Federal Supply Class

Title

DIESEL ENGINES AND COMPONENTS

Inclusions:

INCLUDES AUTOMOTIVE, INDUSTRIAL, MARINE, LOCOMOTIVE, AND ALL OTHER TYPES OF DIESEL AND SEMI-DIESEL ENGINES.

Exclusions:

EXCLUDES ENGINES ACCESSORIES (FSC 2990).

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
ALZD STEM LENGTH 9.6720 INCHES MINIMUM AND 9.6920 INCHES MAXIMUM
ALZD STEM LENGTH 9.6720 INCHES MINIMUM AND 9.6920 INCHES MAXIMUM
AAZP CHAMFER LENGTH 0.0312 INCHES NOMINAL
ALZN SECOND GROOVE DIAMETER 0.4580 INCHES MINIMUM AND 0.4620 INCHES MAXIMUM
ALZJ DISTANCE FROM SECOND GROOVE TO STEM END 0.5930 INCHES MINIMUM AND 0.6050 INCHES MAXIMUM
ASXJ METALLIC HARDNESS RATING AND LOCATION 25.0 MEGAWATTS 2 DRILLED HOLES, CONFIGURATION H STEM AND 35.0 MEGAWATTS 3 DRILLED HOLES, CONFIGURATION H STEM
ALYZ CARBON RELIEF GROOVE INCLUDED
AJFY SEAT ANGLE IN DEG 45.0
ANNQ MATERIAL AND LOCATION STEEL OVERALL
ALZL FIRST GROOVE DIAMETER 0.4580 INCHES MINIMUM AND 0.4620 INCHES MAXIMUM
AASK HEAD STYLE FLAT
AGRA MINOR DIAMETER LENGTH 1.0000 INCHES NOMINAL
ALZR SECOND GROOVE WIDTH 0.1280 NOMINAL MILS AND 0.1340 NOMINAL CENTIMETERS
AASU HEAD HEIGHT 0.1550 INCHES MINIMUM AND 0.1650 INCHES MAXIMUM
ALZH DISTANCE FROM FIRST GROOVE TO STEM END 0.3440 INCHES MINIMUM AND 0.3540 INCHES MAXIMUM
ALZQ FIRST GROOVE WIDTH 0.1280 INCHES MINIMUM AND 0.1340 INCHES MAXIMUM
ABKV OUTSIDE DIAMETER 2.6750 INCHES MINIMUM AND 2.7750 INCHES MAXIMUM
ASXJ METALLIC HARDNESS RATING AND LOCATION 45.0 MEGAWATTS 1 DRILLED HOLE, CONFIGURATION H TIP
ALZE STEM DIAMETER 0.5620 INCHES MINIMUM AND 0.5630 INCHES MAXIMUM
ALYX STEM STYLE DOUBLE GROOVED
ADNA MINOR OUTSIDE DIAMETER 0.5560 INCHES MINIMUM AND 0.5580 INCHES MAXIMUM
ALZB NECK RADIUS 1.7500 INCHES NOMINAL
ASXJ METALLIC HARDNESS RATING AND LOCATION 25.0 MEGAWATTS 2 DRILLED HOLES, CONFIGURATION H HEAD AND 35.0 MEGAWATTS 3 DRILLED HOLES, CONFIGURATION H HEAD
AATE CHAMFER ANGLE IN DEG 45.0

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