4820-01-021-9300 SEAT,VALVE Index 7690-01-021-9303 DECAL

National Stock Number:
4820-01-021-9301

Federal Supply Class:
4820

National Item Identification Number:
010219301

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:
F6241348422WILLIAM POWELL COMPANY THE DBA POWELL VALVE DIV THE STARFLO CORPORATION


Techincal Specification:
BODY INSIDE DIAMETER0.150 INCHES NOMINAL
FLANGE DIAMETER0.750 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT0.200 INCHES NOMINAL
MATERIALSILICON ALLOY OVERALL
NOMINAL THREAD SIZE0.625 INCHES SINGLE THREADED PORTION
SEATING SURFACE SHAPEFLAT
SPECIAL FEATURESSLOT TYPE WRENCHING FACILITY
STYLE DESIGNATORTHREADED FLANGED
TAPER LENGTH0.422 INCHES NOMINAL
TAPER MAJOR DIAMETER0.750 INCHES NOMINAL
THREAD CLASS3A SINGLE THREADED PORTION
THREAD LENGTH0.225 INCHES NOMINAL SINGLE THREADED PORTION
THREAD SERIES DESIGNATORUNEF SINGLE THREADED PORTION
UNDER FLANGE HEIGHT0.225 INCHES NOMINAL


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