2530-00-389-6495 BRAKE SHOE,WHEEL Index 4820-00-389-6499 SEAT,VALVE

National Stock Number:
4820-00-389-6498

Federal Supply Class:
4820

National Item Identification Number:
003896498

Description:
SEAT,VALVE

Detail:
A replaceable item designed to provide a circular stationary seating surface for a mating, moveable item such as a valve disk or the like. The body may have a flange of various shapes. For diesel and gasoline reciprocating engines, see INSERT, ENGINE VALVE SEAT.


Manufacturer Information:
131908712204DAIMLER CHRYSLER
131908793334ATWOOD FENCE CO INC
WAUG70279229WAUSAU PLANT- MACHINING DIV MUSKEGON PISTON RING CO A QUESTOR CO


Techincal Specification:
BODY INSIDE DIAMETER1.348 INCHES MINIMUM AND 1.358 INCHES MAXIMUM
BODY OUTSIDE DIAMETER1.691 INCHES MINIMUM AND 1.692 INCHES MAXIMUM
HARDNESS RATING38.0 ROCKWELL C NOMINAL OVERALL
OVERALL HEIGHT0.308 INCHES MINIMUM AND 0.312 INCHES MAXIMUM
MATERIALCOBALT ALLOY FACE
MATERIALSTEEL BODY
SEAT ANGLE IN DEG0.750 NOMINAL
SEATING SURFACE SHAPEANGULAR
STYLE DESIGNATORPLAIN


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