2815-01-057-6639, VALVE,POPPET,ENGINE

National Stock Number:
2815-01-057-6639

Federal Supply Class:
2815

National Item Identification Number:
010576639

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:

207241	15434	CUMMINS INC.
3803515	15434	CUMMINS INC.

Techincal Specification:

DISTANCE FROM GROOVE TO STEM END	0.4600 INCHES NOMINAL
CARBON RELIEF GROOVE	NOT INCLUDED
CHAMFER ANGLE IN DEG	45.0
CHAMFER LENGTH	0.0100 INCHES MINIMUM AND 0.0250 INCHES MAXIMUM
GROOVE DIAMETER	0.4220 INCHES MINIMUM AND 0.4280 INCHES MAXIMUM
GROOVE WIDTH	0.1320 INCHES MINIMUM AND 0.1420 INCHES MAXIMUM
HEAD HEIGHT	0.2656 INCHES MINIMUM AND 0.2750 INCHES MAXIMUM
HEAD STYLE	FLAT
OUTSIDE DIAMETER	2.2150 INCHES MINIMUM AND 2.2250 INCHES MAXIMUM
METALLIC HARDNESS RATING AND LOCATION	52.0 ROCKWELL C MINIMUM TIP
NECK RADIUS	0.7900 INCHES MINIMUM AND 0.8100 INCHES MAXIMUM
SEAT ANGLE IN DEG	30.0
STEM DIAMETER	0.4945 INCHES MINIMUM AND 0.4955 INCHES MAXIMUM
STEM LENGTH	7.2730 INCHES MINIMUM AND 7.2870 INCHES MAXIMUM
STEM STYLE	GROOVED

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