4820-00-035-9942 DISK,VALVE Index 4820-00-035-9944 STEM AND DISK

National Stock Number:
4820-00-035-9943

Federal Supply Class:
4820

National Item Identification Number:
000359943

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:
DB1213214959CRANE CO DIV VALVE DIV


Techincal Specification:
STYLE DESIGNATORTHREADED FLANGED
FLANGE DIAMETER5.438 INCHES NOMINAL
BODY INSIDE DIAMETER4.136 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT0.562 INCHES NOMINAL
UNDER FLANGE HEIGHT0.688 INCHES NOMINAL
MATERIALSTEEL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A216,GR. WCB ASSN STD SINGLE MATERIAL RESPONSE SEAT
SEATING SURFACE SHAPEANGULAR
SEAT ANGLE IN DEG1.250 NOMINAL
THREAD SERIES DESIGNATORUNS SINGLE THREADED PORTION
NOMINAL THREAD SIZE5.062 INCHES SINGLE THREADED PORTION
THREAD QUANTITY PER INCH16 SINGLE THREADED PORTION
THREAD CLASS2A SINGLE THREADED PORTION
THREAD LENGTH0.688 INCHES NOMINAL SINGLE THREADED PORTION


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