2520-00-221-8782 TRANSMISSION Index 4720-00-221-8784 HOSE ASSEMBLY,NONMETALLIC

National Stock Number:
2815-00-221-8783

Federal Supply Class:
2815

National Item Identification Number:
002218783

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:
20283215434CUMMINS INC.


Techincal Specification:
DISTANCE FROM SECOND GROOVE TO STEM END1.0120 INCHES NOMINAL
CARBON RELIEF GROOVENOT INCLUDED
CHAMFER ANGLE IN DEG45.0
CHAMFER LENGTH0.0312 INCHES NOMINAL
DISTANCE FROM FIRST GROOVE TO STEM END0.4500 INCHES NOMINAL
FIRST GROOVE DIAMETER0.6210 INCHES MINIMUM AND 0.6260 INCHES MAXIMUM
FIRST GROOVE WIDTH0.1890 INCHES MINIMUM AND 0.1940 INCHES MAXIMUM
HEAD HEIGHT0.1690 INCHES MINIMUM AND 0.1790 INCHES MAXIMUM
HEAD STYLEFLAT
OUTSIDE DIAMETER2.6875 INCHES NOMINAL
METALLIC HARDNESS RATING AND LOCATION52.0 ROCKWELL C NOMINAL TIP
NECK RADIUS1.1150 INCHES MINIMUM AND 10.4890 INCHES MAXIMUM
SEAT ANGLE IN DEG30.0
SECOND GROOVE DIAMETER0.6210 INCHES MINIMUM AND 0.6260 INCHES MAXIMUM
SECOND GROOVE WIDTH0.1890 INCHES MINIMUM AND 0.1940 INCHES MAXIMUM
STEM DIAMETER0.7440 INCHES NOMINAL
STEM LENGTH10.4750 INCHES MINIMUM AND 10.4890 INCHES MAXIMUM
STEM STYLEDOUBLE GROOVED


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