4820-00-394-7421 SEAT,VALVE Index 4820-00-394-7423 DISK,VALVE

National Stock Number:
4820-00-394-7422

Federal Supply Class:
4820

National Item Identification Number:
003947422

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:
P846A70667ATLAS VALVE CO


Techincal Specification:
BODY INSIDE DIAMETER1.500 INCHES NOMINAL
FLANGE DIAMETER2.000 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT0.281 INCHES NOMINAL
MATERIALNICKEL ALLOY OVERALL
NOMINAL THREAD SIZE1.835 INCHES SINGLE THREADED PORTION
SEATING SURFACE SHAPEFLAT
STYLE DESIGNATORTHREADED FLANGED
THREAD CLASS2A SINGLE THREADED PORTION
THREAD LENGTH0.312 INCHES NOMINAL SINGLE THREADED PORTION
THREAD SERIES DESIGNATORUNS SINGLE THREADED PORTION
THREAD QUANTITY PER INCH16 SINGLE THREADED PORTION
UNDER FLANGE HEIGHT0.312 INCHES NOMINAL


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