4820-00-163-0213 VALVE,SAFETY RELIEF Index 2815-00-163-0216 PUSH ROD,ENGINE POPPET VALVE

National Stock Number:
2815-00-163-0215

Federal Supply Class:
2815

National Item Identification Number:
001630215

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:
9L985111083CATERPILLAR INC


Techincal Specification:
CARBON RELIEF GROOVENOT INCLUDED
CHAMFER ANGLE IN DEG45.0
CHAMFER LENGTH0.0150 INCHES NOMINAL
FIRST GROOVE DIAMETER0.3020 INCHES MINIMUM AND 0.3080 INCHES MAXIMUM
HEAD HEIGHT0.1810 INCHES NOMINAL
HEAD STYLEFLAT
OUTSIDE DIAMETER2.0890 INCHES MINIMUM AND 2.0990 INCHES MAXIMUM
METALLIC HARDNESS RATING AND LOCATION30.0 ROCKWELL C MINIMUM HEAD
METALLIC HARDNESS RATING AND LOCATION30.0 ROCKWELL C MINIMUM STEM
METALLIC HARDNESS RATING AND LOCATION36.0 ROCKWELL C MAXIMUM HEAD
METALLIC HARDNESS RATING AND LOCATION36.0 ROCKWELL C MAXIMUM STEM
METALLIC HARDNESS RATING AND LOCATION83.0 ROCKWELL SUPERFICIAL 15-N MINIMUM TIP
NECK RADIUS0.4380 INCHES NOMINAL
SEAT ANGLE IN DEG30.0
SECOND GROOVE DIAMETER0.3020 INCHES MINIMUM AND 0.3080 INCHES MAXIMUM
STEM DIAMETER0.3720 INCHES MINIMUM AND 0.3730 INCHES MAXIMUM
STEM LENGTH5.5545 INCHES MINIMUM AND 5.6295 INCHES MAXIMUM
STEM STYLEDOUBLE GROOVED


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