4820-00-035-9686 DIAPHRAGM,VALVE,FLAT Index 4820-00-035-9688 DISK,VALVE

National Stock Number:
4820-00-035-9687

Federal Supply Class:
4820

National Item Identification Number:
000359687

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:
035968770667ATLAS VALVE CO
P807A70667ATLAS VALVE CO


Techincal Specification:
BODY INSIDE DIAMETER1.000 INCHES NOMINAL
FLANGE DIAMETER1.420 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT0.125 INCHES NOMINAL
MATERIALSTEEL CORROSION RESISTING OVERALL
NOMINAL THREAD SIZE2.250 INCHES SINGLE THREADED PORTION
SEATING SURFACE SHAPEFLAT
SPECIAL FEATURESINTERNAL WRENCHING FEATURES
STYLE DESIGNATORTHREADED FLANGED
THREAD CLASS2A SINGLE THREADED PORTION
THREAD LENGTH0.280 INCHES NOMINAL SINGLE THREADED PORTION
THREAD QUANTITY PER INCH18 SINGLE THREADED PORTION
THREAD SERIES DESIGNATORUNS SINGLE THREADED PORTION
UNDER FLANGE HEIGHT1.385 INCHES NOMINAL


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