4820-00-470-6596 ADJUSTING RING,VALVE Index 4820-00-470-6599 SEAT,VALVE

National Stock Number:
4820-00-470-6597

Federal Supply Class:
4820

National Item Identification Number:
004706597

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:
180130116497DRESSER, INC.


Techincal Specification:
BODY INSIDE DIAMETER1.925 INCHES NOMINAL
FLANGE DIAMETER4.128 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT0.500 INCHES NOMINAL
MATERIALSTEEL CORROSION RESISTING OVERALL
NOMINAL THREAD SIZE3.000 INCHES FIRST THREADED PORTION
NOMINAL THREAD SIZE3.312 INCHES SECOND THREADED PORTION
SEAT ANGLE IN DEG15.000 NOMINAL
SEATING SURFACE SHAPEANGULAR
STYLE DESIGNATORTHREADED FLANGED
THREAD CLASS2A FIRST THREADED PORTION
THREAD CLASS2A SECOND THREADED PORTION
THREAD LENGTH0.500 INCHES NOMINAL FIRST THREADED PORTION
THREAD LENGTH0.688 INCHES NOMINAL SECOND THREADED PORTION
THREAD SERIES DESIGNATORUNS FIRST THREADED PORTION
THREAD SERIES DESIGNATORUNS SECOND THREADED PORTION
THREAD QUANTITY PER INCH18 FIRST THREADED PORTION
THREAD QUANTITY PER INCH8 SECOND THREADED PORTION
UNDER FLANGE HEIGHT3.502 INCHES NOMINAL


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