4820-00-035-9933 SEAT,VALVE Index 4820-00-035-9937 DIAPHRAGM,VALVE,FLAT

National Stock Number:
4820-00-035-9936

Federal Supply Class:
4820

National Item Identification Number:
000359936

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:
6271386184GRISWOLD INDUSTRIES
62713D86184GRISWOLD INDUSTRIES
62713G86184GRISWOLD INDUSTRIES
C504486184GRISWOLD INDUSTRIES


Techincal Specification:
BODY INSIDE DIAMETER1.000 INCHES MINIMUM AND 1.003 INCHES MAXIMUM
FLANGE DIAMETER1.375 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT0.215 INCHES MINIMUM AND 0.220 INCHES MAXIMUM
MATERIALNICKEL OR COPPER ALLOY OVERALL
NOMINAL THREAD SIZE1.250 INCHES SINGLE THREADED PORTION
SEAT ANGLE IN DEG4.083 MINIMUM AND 5.083 MAXIMUM
SEATING SURFACE SHAPEANGULAR
SPECIAL FEATURESHEX FLANGE
STYLE DESIGNATORTHREADED FLANGED
THREAD CLASS2A SINGLE THREADED PORTION
THREAD LENGTH0.362 INCHES NOMINAL SINGLE THREADED PORTION
THREAD QUANTITY PER INCH16 SINGLE THREADED PORTION
THREAD SERIES DESIGNATORUN SINGLE THREADED PORTION
UNDER FLANGE HEIGHT0.719 INCHES NOMINAL


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