5330-00-781-5258 GASKET Index 5330-00-781-5260 GASKET

National Stock Number:
2815-00-781-5259

Federal Supply Class:
2815

National Item Identification Number:
007815259

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:
08200-400193568HARSCO CORP BMY-COMBAT SYSTEMS DIV


Techincal Specification:
DISTANCE FROM GROOVE TO STEM END0.2187 INCHES MINIMUM AND 0.2237 INCHES MAXIMUM
CARBON RELIEF GROOVEINCLUDED
CHAMFER ANGLE IN DEG45.0
CHAMFER LENGTH0.0200 INCHES MINIMUM AND 0.0300 INCHES MAXIMUM
GROOVE WIDTH0.1094 INCHES MINIMUM AND 0.1144 INCHES MAXIMUM
GROOVE DIAMETER0.2480 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM
HEAD HEIGHT0.1000 INCHES MINIMUM AND 0.1350 INCHES MAXIMUM
HEAD STYLEFLAT
OUTSIDE DIAMETER1.1532 INCHES MINIMUM AND 1.1592 INCHES MAXIMUM
MATERIAL AND LOCATIONSTEEL OVERALL
METALLIC HARDNESS RATING AND LOCATION42.0 ROCKWELL C NOMINAL TIP
NECK RADIUS0.3750 INCHES NOMINAL
SEAT ANGLE IN DEG45.0
STEM DIAMETER0.3093 INCHES MINIMUM AND 0.3152 INCHES MAXIMUM
STEM LENGTH4.5430 INCHES MINIMUM AND 4.5880 INCHES MAXIMUM
STEM STYLEGROOVED


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