3020-00-921-7282 GEAR,HELICAL Index 2920-00-921-7288 COILX

National Stock Number:
4820-00-921-7284

Federal Supply Class:
4820

National Item Identification Number:
009217284

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:
9M649511083CATERPILLAR INC
IPD9M649555883INDUSTRIAL PARTS DEPOT INC


Techincal Specification:
BODY INSIDE DIAMETER1.562 INCHES NOMINAL
BODY OUTSIDE DIAMETER1.878 INCHES MINIMUM AND 1.879 INCHES MAXIMUM
HARDNESS RATING40.0 ROCKWELL C MAXIMUM OVERALL
MATERIALSTEEL CORROSION RESISTING OVERALL
OVERALL HEIGHT0.435 INCHES MINIMUM AND 0.440 INCHES MAXIMUM
SEAT ANGLE IN DEG30.000 NOMINAL
SEATING SURFACE SHAPEANGULAR
STYLE DESIGNATORPLAIN


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