2805-00-474-9690 PLUNGER Index 2805-00-474-9693 VALVE

National Stock Number:
2805-00-474-9691

Federal Supply Class:
2805

National Item Identification Number:
004749691

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:
144086424617GENERAL MOTORS CORP
144086480442CADILLAC MOTOR CAR DIV OF GENERAL MOTORS CORP
A26166219207U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM


Techincal Specification:
CARBON RELIEF GROOVENOT INCLUDED
CHAMFER ANGLE IN DEG45.0
CHAMFER LENGTH0.0312 INCHES NOMINAL
FIRST GROOVE DIAMETER0.2710 INCHES MINIMUM AND 0.2770 INCHES MAXIMUM
HEAD HEIGHT0.1375 INCHES NOMINAL
HEAD STYLEFLAT
OUTSIDE DIAMETER1.6260 INCHES MINIMUM AND 1.6360 INCHES MAXIMUM
METALLIC HARDNESS RATING AND LOCATION39.0 ROCKWELL C NOMINAL TIP
METALLIC HARDNESS RATING AND LOCATION40.0 ROCKWELL C MINIMUM STEM
METALLIC HARDNESS RATING AND LOCATION45.0 ROCKWELL C MAXIMUM STEM
NECK RADIUS0.3125 INCHES NOMINAL
SEAT ANGLE IN DEG45.0
SECOND GROOVE DIAMETER0.2710 INCHES MINIMUM AND 0.2770 INCHES MAXIMUM
STEM DIAMETER0.3405 INCHES MINIMUM AND 0.3415 INCHES MAXIMUM
STEM LENGTH5.3781 INCHES NOMINAL


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