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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
79606 GOULD INC CLEVITE ENGINE PARTS DIV

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
ABKV OUTSIDE DIAMETER 2.3700 INCHES MINIMUM AND 2.3800 INCHES MAXIMUM
AAZP CHAMFER LENGTH 0.0312 INCHES NOMINAL
ALZD STEM LENGTH 8.6694 INCHES MINIMUM AND 8.6844 INCHES MAXIMUM
ALZB NECK RADIUS 0.7500 INCHES NOMINAL
ASXJ METALLIC HARDNESS RATING AND LOCATION 57.0 MEGAWATTS TEMPER DESIGNATION, T861 STEM
ALZG DISTANCE FROM GROOVE TO STEM END 0.0938 INCHES NOMINAL
ALZE STEM DIAMETER 0.4930 INCHES MINIMUM AND 0.4940 INCHES MAXIMUM
ALYZ CARBON RELIEF GROOVE NOT INCLUDED
AASK HEAD STYLE FLAT
ABGK TAPER ANGLE IN DEG 11.7
AASU HEAD HEIGHT 0.3000 INCHES MINIMUM AND 0.3150 INCHES MAXIMUM
ASXJ METALLIC HARDNESS RATING AND LOCATION 67.0 MEGAWATTS T-651 SOLUTION HEAT TREATED, ARTIFICALLY AGED, STRESS RELIEVED BY STRETCHING TIP
ADNA MINOR OUTSIDE DIAMETER 0.3740 INCHES MINIMUM AND 0.3780 INCHES MAXIMUM
ZZZV FSC APPLICATION DATA DIESEL ENGINE
AAVZ GROOVE DIAMETER 0.4618 INCHES MINIMUM AND 0.4628 INCHES MAXIMUM
ASXJ METALLIC HARDNESS RATING AND LOCATION 50.0 MEGAWATTS T-651 SOLUTION HEAT TREATED, ARTIFICALLY AGED, STRESS RELIEVED BY STRETCHING HEAD
ABGF GROOVE WIDTH 0.0312 INCHES NOMINAL
ANNQ MATERIAL AND LOCATION BRONZE, STEEL BACKED, NO. IE419, CATERPILLAR TRACTOR CO OVERALL
AJFY SEAT ANGLE IN DEG 45.7
ASXJ METALLIC HARDNESS RATING AND LOCATION 50.0 MEGAWATTS T-651 SOLUTION HEAT TREATED, ARTIFICALLY AGED, STRESS RELIEVED BY STRETCHING STEM
AATE CHAMFER ANGLE IN DEG 45.0
ASXJ METALLIC HARDNESS RATING AND LOCATION 57.0 MEGAWATTS TEMPER DESIGNATION, T861 HEAD

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