4820-00-036-0988 STEM,SEATING Index 4820-00-036-0990 SEAT,VALVE

National Stock Number:
4820-00-036-0989

Federal Supply Class:
4820

National Item Identification Number:
000360989

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:
1259773475SCHNEIDER ELECTRIC SYSTEMS USA INC


Techincal Specification:
BODY INSIDE DIAMETER0.138 INCHES MINIMUM AND 0.140 INCHES MAXIMUM
FLANGE DIAMETER1.125 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT0.160 INCHES NOMINAL
MATERIALSTEEL CORROSION RESISTING OVERALL
NOMINAL THREAD SIZE0.938 INCHES SINGLE THREADED PORTION
SEAT ANGLE IN DEG0.750 NOMINAL
SEATING SURFACE SHAPEANGULAR
STYLE DESIGNATORTHREADED FLANGED
THREAD LENGTH0.309 INCHES NOMINAL SINGLE THREADED PORTION
THREAD QUANTITY PER INCH18 SINGLE THREADED PORTION
THREAD SERIES DESIGNATORUNS SINGLE THREADED PORTION
UNDER FLANGE HEIGHT0.309 INCHES NOMINAL


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