3010-00-657-1519 GEARCASE-MOTOR Index 4820-00-657-1523 SEAT,VALVE

National Stock Number:
4820-00-657-1522

Federal Supply Class:
4820

National Item Identification Number:
006571522

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:
162455378TRAC REGULATOR CO., INC.
162475545LAWLER MANUFACTURING COMPANY, INC.
1624L55378TRAC REGULATOR CO., INC.


Techincal Specification:
BODY INSIDE DIAMETER0.879 INCHES MINIMUM AND 0.880 INCHES MAXIMUM
FLANGE DIAMETER1.750 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT0.375 INCHES NOMINAL
MATERIALSTEEL COMP 416 OVERALL
NOMINAL THREAD SIZE1.500 INCHES SINGLE THREADED PORTION
SEAT ANGLE IN DEG58.000 NOMINAL
SEATING SURFACE SHAPEANGULAR
STYLE DESIGNATORTHREADED FLANGED
THREAD CLASS2A SINGLE THREADED PORTION
THREAD LENGTH0.375 INCHES NOMINAL SINGLE THREADED PORTION
THREAD SERIES DESIGNATORUNEF SINGLE THREADED PORTION
UNDER FLANGE HEIGHT0.375 INCHES NOMINAL


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