4730-00-399-2628 PLUG,VALVE Index 4320-00-399-2636 HANDLE ASSEMBLY

National Stock Number:
4820-00-399-2630

Federal Supply Class:
4820

National Item Identification Number:
003992630

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:
D2463023168HAMMEL DAHL INC
D2463034886AHAM PLASTICS
D2463034889HUNT VALVE COMPANY INC


Techincal Specification:
BODY STEPPED INSIDE DIAMETER0.093 INCHES NOMINAL SECOND STEP
BODY STEPPED INSIDE DIAMETER0.281 INCHES NOMINAL FIRST STEP
FLANGE DIAMETER0.625 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT1.000 INCHES NOMINAL
NOMINAL THREAD SIZE0.438 INCHES SINGLE THREADED PORTION
MATERIALSTEEL OVERALL
SEATING SURFACE SHAPEFLAT
SPECIAL FEATURESFLANGE IS HEXAGON SHAPE
THREAD CLASS2A SINGLE THREADED PORTION
THREAD LENGTH0.312 INCHES NOMINAL SINGLE THREADED PORTION
THREAD QUANTITY PER INCH20 SINGLE THREADED PORTION
THREAD SERIES DESIGNATORUNF SINGLE THREADED PORTION
UNDER FLANGE HEIGHT0.312 INCHES NOMINAL
STYLE DESIGNATORTHREADED FLANGED


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