4820-01-236-7190 SEAT,VALVE Index 4820-01-236-7192 SEAT,VALVE

National Stock Number:
4820-01-236-7191

Federal Supply Class:
4820

National Item Identification Number:
012367191

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:
1932-5-485130FLOWSERVE CORPORATION DIV FLOWSERVE US INC
1932-5A85130FLOWSERVE CORPORATION DIV FLOWSERVE US INC
1932-5A PIECE 485130FLOWSERVE CORPORATION DIV FLOWSERVE US INC


Techincal Specification:
BODY INSIDE DIAMETER2.750 INCHES NOMINAL
FLANGE DIAMETER18.875 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT0.875 INCHES NOMINAL
MATERIALCOPPER ALLOY BODY
NOMINAL THREAD SIZE18.250 INCHES SINGLE THREADED PORTION
SEAT ANGLE IN DEG5.000 NOMINAL
SEATING SURFACE SHAPEANGULAR
STYLE DESIGNATORTHREADED FLANGED
THREAD CLASS2A SINGLE THREADED PORTION
THREAD LENGTH0.687 INCHES NOMINAL SINGLE THREADED PORTION
THREAD QUANTITY PER INCH12 SINGLE THREADED PORTION
THREAD SERIES DESIGNATORUNS SINGLE THREADED PORTION
UNDER FLANGE HEIGHT0.875 INCHES NOMINAL


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