2815-00-707-6912 GUIDE,VALVE STEM Index 2815-00-707-6914 VALVE,POPPET,ENGINE

National Stock Number:
2815-00-707-6913

Federal Supply Class:
2815

National Item Identification Number:
007076913

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:
M-393914541COOPER MACHINERY SERVICES LLC
M393980992IMO DELAVAL INC


Techincal Specification:
CARBON RELIEF GROOVENOT INCLUDED
CHAMFER ANGLE IN DEG45.0
CHAMFER LENGTH0.0312 INCHES NOMINAL
DISTANCE FROM GROOVE TO STEM END0.2500 INCHES NOMINAL
GROOVE DIAMETER0.4950 INCHES MINIMUM AND 0.4990 INCHES MAXIMUM
GROOVE WIDTH0.4950 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM
HEAD HEIGHT0.3500 INCHES NOMINAL
HEAD STYLEFLAT
OUTSIDE DIAMETER3.2500 INCHES NOMINAL
METALLIC HARDNESS RATING AND LOCATION30.0 ROCKWELL C MINIMUM STEM
METALLIC HARDNESS RATING AND LOCATION38.0 ROCKWELL C MAXIMUM STEM
NECK RADIUS0.3750 INCHES NOMINAL
SEAT ANGLE IN DEG45.0
STEM DIAMETER0.6250 INCHES NOMINAL
STEM LENGTH10.3750 INCHES NOMINAL
STEM STYLEGROOVED


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