2815-01-153-1426 VALVE,POPPET,ENGINE Index 4730-01-153-1428 BOLT,FLUID PASSAGE

National Stock Number:
2815-01-153-1427

Federal Supply Class:
2815

National Item Identification Number:
011531427

Description:
VALVE,POPPET,ENGINE

Detail:
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.


Manufacturer Information:
1402551111862GENERAL MOTORS CORP CHEVROLET MOTOR DIV SPECIAL PRODUCTS DEPT
1405065411862GENERAL MOTORS CORP CHEVROLET MOTOR DIV SPECIAL PRODUCTS DEPT
2350006111862GENERAL MOTORS CORP CHEVROLET MOTOR DIV SPECIAL PRODUCTS DEPT
235000617X677GENERAL MOTORS LLC


Techincal Specification:
CARBON RELIEF GROOVENOT INCLUDED
CHAMFER ANGLE IN DEG15.0
CHAMFER LENGTH0.2500 MILLIMETERS NOMINAL
DISTANCE FROM FIRST GROOVE TO STEM END6.2500 MILLIMETERS NOMINAL
FIRST GROOVE DIAMETER7.5400 MILLIMETERS MINIMUM AND 7.7000 MILLIMETERS MAXIMUM
FIRST GROOVE WIDTH2.2410 MILLIMETERS MINIMUM AND 2.6700 MILLIMETERS MAXIMUM
HEAD HEIGHT4.3500 MILLIMETERS MINIMUM AND 4.6500 MILLIMETERS MAXIMUM
HEAD STYLEFLAT
OUTSIDE DIAMETER43.5700 MILLIMETERS NOMINAL
METALLIC HARDNESS RATING AND LOCATION30.0 ROCKWELL C NOMINAL HEAD
METALLIC HARDNESS RATING AND LOCATION30.0 ROCKWELL C NOMINAL SEAT FACE
METALLIC HARDNESS RATING AND LOCATION30.0 ROCKWELL C NOMINAL STEM
METALLIC HARDNESS RATING AND LOCATION49.0 ROCKWELL C NOMINAL TIP
NECK RADIUS11.5000 MILLIMETERS NOMINAL
SEAT ANGLE IN DEG45.0
SECOND GROOVE DIAMETER7.5400 MILLIMETERS MINIMUM AND 7.7000 MILLIMETERS MAXIMUM
SECOND GROOVE WIDTH2.6700 MILLIMETERS MINIMUM AND 2.9200 MILLIMETERS MAXIMUM
STEM DIAMETER9.8300 MILLIMETERS MINIMUM AND 9.9600 MILLIMETERS MAXIMUM
STEM LENGTH127.210 MILLIMETERS NOMINAL
STEM STYLEDOUBLE GROOVED


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