2990-00-374-4326 PLUG,CONTROL SHAFT, Index 2910-00-374-4331 SHAFT,THROTTLE CONT

National Stock Number:
2815-00-374-4327

Federal Supply Class:
2815

National Item Identification Number:
003744327

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:
52-313393742DRS NAVAL POWER SYSTEMS INC
6827615434CUMMINS INC.


Techincal Specification:
DISTANCE FROM THIRD GROOVE TO STEM END4.3830 INCHES MINIMUM AND 4.4110 INCHES MAXIMUM
DISTANCE FROM SECOND GROOVE TO STEM END0.5340 INCHES MINIMUM AND 0.5470 INCHES MAXIMUM
CARBON RELIEF GROOVEINCLUDED
CHAMFER ANGLE IN DEG45.0
CHAMFER LENGTH0.0200 INCHES NOMINAL
DISTANCE FROM FIRST GROOVE TO STEM END0.3790 INCHES MINIMUM AND 0.3900 INCHES MAXIMUM
FIRST GROOVE DIAMETER0.3000 INCHES MINIMUM AND 0.3100 INCHES MAXIMUM
FIRST GROOVE WIDTH0.0302 INCHES MINIMUM AND 0.0322 INCHES MAXIMUM
HEAD HEIGHT0.1750 INCHES MINIMUM AND 0.1900 INCHES MAXIMUM
HEAD STYLEFLAT
OUTSIDE DIAMETER1.7400 INCHES MINIMUM AND 1.7500 INCHES MAXIMUM
METALLIC HARDNESS RATING AND LOCATION40.0 ROCKWELL C MINIMUM HEAD
METALLIC HARDNESS RATING AND LOCATION40.0 ROCKWELL C MINIMUM SEAT FACE
METALLIC HARDNESS RATING AND LOCATION40.0 ROCKWELL C MINIMUM STEM
METALLIC HARDNESS RATING AND LOCATION50.0 ROCKWELL C MAXIMUM HEAD
METALLIC HARDNESS RATING AND LOCATION50.0 ROCKWELL C MAXIMUM SEAT FACE
METALLIC HARDNESS RATING AND LOCATION50.0 ROCKWELL C MAXIMUM STEM
METALLIC HARDNESS RATING AND LOCATION52.0 ROCKWELL C NOMINAL TIP
NECK RADIUS0.5312 INCHES NOMINAL
SEAT ANGLE IN DEG30.0
SECOND GROOVE DIAMETER0.3000 INCHES MINIMUM AND 0.3100 INCHES MAXIMUM
SECOND GROOVE WIDTH0.0302 INCHES MINIMUM AND 0.0322 INCHES MAXIMUM
STEM DIAMETER0.4020 INCHES MINIMUM AND 0.4030 INCHES MAXIMUM
STEM LENGTH6.7240 INCHES MINIMUM AND 6.7530 INCHES MAXIMUM
STEM STYLEMULTI-GROOVED
THIRD GROOVE WIDTH0.7500 INCHES NOMINAL
THIRD GROOVE DIAMETER0.3900 INCHES MINIMUM AND 0.3950 INCHES MAXIMUM


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