4820-00-036-0022 DISK,VALVE Index 4820-00-036-0027 DISK,VALVE

National Stock Number:
4820-00-036-0023

Federal Supply Class:
4820

National Item Identification Number:
000360023

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:
692-4810-15PC117-22314959CRANE CO DIV VALVE DIV
692-4810-16PC111-22014959CRANE CO DIV VALVE DIV
DB1292914959CRANE CO DIV VALVE DIV


Techincal Specification:
BODY INSIDE DIAMETER7.062 INCHES NOMINAL
FLANGE DIAMETER8.625 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT0.875 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A567 GR.12 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A560 ASSN STD SINGLE MATERIAL RESPONSE SEAT
MATERIALCOBALT OR CHROMIUM ALLOY OVERALL
NOMINAL THREAD SIZE8.125 INCHES SINGLE THREADED PORTION
SEAT ANGLE IN DEG0.250 NOMINAL
SEATING SURFACE SHAPEANGULAR
STYLE DESIGNATORTHREADED FLANGED
THREAD CLASS3A SINGLE THREADED PORTION
THREAD LENGTH0.750 INCHES NOMINAL SINGLE THREADED PORTION
THREAD QUANTITY PER INCH12 SINGLE THREADED PORTION
THREAD SERIES DESIGNATORUN SINGLE THREADED PORTION
UNDER FLANGE HEIGHT2.062 INCHES NOMINAL


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