4820-00-978-2319 SEAT,VALVE Index 4820-00-978-2321 SEAT,VALVE

National Stock Number:
4820-00-978-2320

Federal Supply Class:
4820

National Item Identification Number:
009782320

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:
8X0017-20SC87HLC INDUSTRIES INC
8X0017-272957ELLIOTT COMPANY
8X0017PC1H2A72957ELLIOTT COMPANY


Techincal Specification:
BODY INSIDE DIAMETER1.248 INCHES MINIMUM AND 1.250 INCHES MAXIMUM
BODY OUTSIDE DIAMETER2.124 INCHES MINIMUM AND 2.125 INCHES MAXIMUM
FLANGE DIAMETER2.375 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT0.500 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATION17-4PH,ARMCO STEEL CORP MFR REF SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
SEAT RADIUS0.373 INCHES MINIMUM AND 0.377 INCHES MAXIMUM
SEATING SURFACE SHAPERADIAL
STYLE DESIGNATORPLAIN FLANGED
UNDER FLANGE HEIGHT0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM


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