4820-00-035-9869 RING,SEAT Index 4820-00-035-9873 RENEWAL UNIT

National Stock Number:
4820-00-035-9871

Federal Supply Class:
4820

National Item Identification Number:
000359871

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:
794-77-1-9040-0088078CASHCO INC


Techincal Specification:
STYLE DESIGNATORTHREADED FLANGED
FLANGE DIAMETER2.500 INCHES NOMINAL
BODY INSIDE DIAMETER1.156 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT0.266 INCHES NOMINAL
UNDER FLANGE HEIGHT1.406 INCHES NOMINAL
MATERIALSTEEL CORROSION RESISTING OVERALL
SEATING SURFACE SHAPERADIAL
SEAT RADIUS0.156 INCHES NOMINAL
THREAD SERIES DESIGNATORUN SINGLE THREADED PORTION
NOMINAL THREAD SIZE2.125 INCHES SINGLE THREADED PORTION
THREAD QUANTITY PER INCH16 SINGLE THREADED PORTION
THREAD CLASS2A SINGLE THREADED PORTION
THREAD LENGTH0.500 INCHES NOMINAL SINGLE THREADED PORTION
SPECIAL FEATURESWITH FOUR LUGS ON THD END 0.356 IN. WIDE,0.795 IN. LG 90 DEGREE APART AROUND SEAT


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