4820-00-035-9927 SEAT,VALVE Index 4820-00-035-9930 DIAPHRAGM,VALVE,FLAT

National Stock Number:
4820-00-035-9929

Federal Supply Class:
4820

National Item Identification Number:
000359929

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:
C426086184GRISWOLD INDUSTRIES
C4260A86184GRISWOLD INDUSTRIES


Techincal Specification:
BODY INSIDE DIAMETER3.500 INCHES MINIMUM AND 3.504 INCHES MAXIMUM
FLANGE DIAMETER4.750 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT0.344 INCHES NOMINAL
MATERIALCOPPER OVERALL
NOMINAL THREAD SIZE4.000 INCHES SINGLE THREADED PORTION
SEAT ANGLE IN DEG5.000 NOMINAL
SEATING SURFACE SHAPEANGULAR
STYLE DESIGNATORTHREADED FLANGED
THREAD CLASS2A SINGLE THREADED PORTION
THREAD LENGTH0.406 INCHES NOMINAL SINGLE THREADED PORTION
THREAD QUANTITY PER INCH16 SINGLE THREADED PORTION
THREAD SERIES DESIGNATORUN SINGLE THREADED PORTION
UNDER FLANGE HEIGHT1.406 INCHES NOMINAL


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