2805-00-737-8881 GUIDE,VALVE STEM Index 4820-00-737-8883 SEAT,VALVE

National Stock Number:
2805-00-737-8882

Federal Supply Class:
2805

National Item Identification Number:
007378882

Description:
INSERT,ENGINE VALVE SEAT

Detail:
A METAL RING DESIGNED TO PROVIDE A SEATING SURFACE FOR A VALVE, POPPET, ENGINE IT IS MADE OF SPECIAL HIGH-GRADE ALLOY METAL THAT CAN WITHSTAND HIGH OPERATING TEMPERATURES. FOR FULID VALVES, SEE SEAT, VALVE.


Manufacturer Information:
4-253724617GENERAL MOTORS CORP
4-25377X677GENERAL MOTORS LLC
737888219207U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM


Techincal Specification:
BODY INSIDE DIAMETER1.500 INCHES NOMINAL
BODY OUTSIDE DIAMETER1.877 INCHES MINIMUM AND 1.878 INCHES MAXIMUM
HARDNESS RATING45.0 ROCKWELL C MINIMUM AND 55.0 ROCKWELL C MAXIMUM BODY
HARDNESS RATING45.0 ROCKWELL C MINIMUM AND 55.0 ROCKWELL C MAXIMUM FACE
OVERALL HEIGHT0.342 INCHES MINIMUM AND 0.347 INCHES MAXIMUM
MATERIALSTEEL OVERALL
SEAT ANGLE IN DEG45.000 NOMINAL
SEATING SURFACE SHAPEANGULAR
STYLE DESIGNATORPLAIN


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