2815-00-994-4437 VALVE,POPPET,ENGINE Index 2815-00-994-4439 INSERT,ENGINE VALVE SEAT

National Stock Number:
2815-00-994-4438

Federal Supply Class:
2815

National Item Identification Number:
009944438

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:
13888615434CUMMINS INC.
421670715434CUMMINS INC.


Techincal Specification:
DISTANCE FROM FIRST GROOVE TO STEM END0.3437 INCHES NOMINAL
DISTANCE FROM SECOND GROOVE TO STEM END0.5312 INCHES NOMINAL
CARBON RELIEF GROOVEINCLUDED
CHAMFER ANGLE IN DEG45.0
CHAMFER LENGTH0.0156 INCHES NOMINAL
FIRST GROOVE DIAMETER0.3630 INCHES MINIMUM AND 0.3690 INCHES MAXIMUM
FIRST GROOVE WIDTH0.5312 INCHES NOMINAL
HEAD HEIGHT0.2150 INCHES MINIMUM AND 0.2250 INCHES MAXIMUM
HEAD STYLEFLAT
OUTSIDE DIAMETER1.8700 INCHES MINIMUM AND 1.8800 INCHES MAXIMUM
MATERIAL AND LOCATIONSTEEL OVERALL
MINOR DIAMETER LENGTH0.6400 INCHES MINIMUM AND 0.6600 INCHES MAXIMUM
MINOR OUTSIDE DIAMETER0.4315 INCHES MINIMUM AND 0.4345 INCHES MAXIMUM
NECK RADIUS0.6250 INCHES NOMINAL
SEAT ANGLE IN DEG30.0
SECOND GROOVE DIAMETER0.3630 INCHES MINIMUM AND 0.3690 INCHES MAXIMUM
SECOND GROOVE WIDTH0.6250 INCHES NOMINAL
STEM DIAMETER0.4500 INCHES MINIMUM AND 0.4510 INCHES MAXIMUM
STEM LENGTH6.3750 INCHES NOMINAL
STEM STYLEDOUBLE GROOVED


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