4820-01-323-8646 SEAT,VALVE Index 4820-01-323-8648 SEAT,VALVE

National Stock Number:
4820-01-323-8647

Federal Supply Class:
4820

National Item Identification Number:
013238647

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:
3281314959CRANE CO DIV VALVE DIV
32813 145 1/2U PC 8A 6.00IN14959CRANE CO DIV VALVE DIV
32813PC8A/24*0601FLD9CRANE NUCLEAR INC
32813PC8A0601FLD9CRANE NUCLEAR INC


Techincal Specification:
BODY INSIDE DIAMETER5.313 INCHES NOMINAL
FLANGE DIAMETER7.080 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT0.500 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A216 GR.WCB ASSN STD SINGLE MATERIAL RESPONSE SEAT
MATERIALSTEEL OVERALL
NOMINAL THREAD SIZE6.577 INCHES SINGLE THREADED PORTION
SEAT ANGLE IN DEG30.000 NOMINAL
SEATING SURFACE SHAPEANGULAR
STYLE DESIGNATORTHREADED FLANGED
THREAD CLASS2A SINGLE THREADED PORTION
THREAD LENGTH0.840 INCHES NOMINAL SINGLE THREADED PORTION
THREAD QUANTITY PER INCH11-1/2 SINGLE THREADED PORTION
THREAD SERIES DESIGNATORUN SINGLE THREADED PORTION
UNDER FLANGE HEIGHT2.150 INCHES NOMINAL


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