4820-00-295-9356 RETURN,VALVE Index 4820-00-295-9359 POPPET,VALVE

National Stock Number:
4820-00-295-9358

Federal Supply Class:
4820

National Item Identification Number:
002959358

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:
3173-05960029WOODWARD HRT, INC.
3173-05981873WOODWARD HRT INC


Techincal Specification:
STYLE DESIGNATORPLAIN FLANGED
FLANGE DIAMETER0.358 INCHES NOMINAL
BODY OUTSIDE DIAMETER0.327 INCHES NOMINAL
BODY INSIDE DIAMETER0.171 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT0.190 INCHES NOMINAL
UNDER FLANGE HEIGHT0.255 INCHES NOMINAL
MATERIALSTEEL COMP 440C OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
HARDNESS RATING58.0 ROCKWELL C MINIMUM AND
62.0 ROCKWELL C MAXIMUM OVERALL
SEATING SURFACE SHAPEFLAT
THE MANUFACTURERS DATA
MANUFACTURERS CODE60029
DESIGN CONTROL REFERENCE3173-059


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