4820-01-185-8124 SEAT,VALVE Index 4320-01-185-8126 PUMP,CENTRIFUGAL

National Stock Number:
4820-01-185-8125

Federal Supply Class:
4820

National Item Identification Number:
011858125

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:
194-07660-00009647AQUA-CHEM INC.
194-07660-0000EXU3AQUA-CHEM, INC.
194-766009647AQUA-CHEM INC.
194-A-766009647AQUA-CHEM INC.
194-A7660-00009647AQUA-CHEM INC.


Techincal Specification:
BODY INSIDE DIAMETER0.500 INCHES MINIMUM AND 0.502 INCHES MAXIMUM
FLANGE DIAMETER1.625 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT0.219 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONASTM-B-164CLB ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALNICKEL ALLOY R-405 OVERALL
PROPRIETARY CHARACTERISTICSPACS
NOMINAL THREAD SIZE1.500 INCHES SINGLE THREADED PORTION
SPECIAL FEATURESBOLTHOLES 2,0.156 IN. DIA,0.188 IN. DEEP
SEATING SURFACE SHAPEFLAT
STYLE DESIGNATORTHREADED FLANGED
THREAD CLASS3A SINGLE THREADED PORTION
THREAD LENGTH0.312 INCHES NOMINAL SINGLE THREADED PORTION
THREAD QUANTITY PER INCH20 SINGLE THREADED PORTION
THREAD SERIES DESIGNATORUNS SINGLE THREADED PORTION
UNDER FLANGE HEIGHT0.281 INCHES NOMINAL


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