4820-00-215-4722 SEAT,VALVE Index 2825-00-215-4724 BLADE SET,TURBINE,NONAIRCRAFT GA

National Stock Number:
4820-00-215-4723

Federal Supply Class:
4820

National Item Identification Number:
002154723

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:
439B750PC201289GENERAL ELECTRIC COMPANY
439B750PC224446GENERAL ELECTRIC COMPANY
439B750PC601289GENERAL ELECTRIC COMPANY
439B750PC803502GENERAL ELECTRIC CO NAVAL AND DRIVE TURBINE SYSTEMS DEPT


Techincal Specification:
STYLE DESIGNATORPLAIN FLANGED
FLANGE DIAMETER6.750 INCHES MINIMUM AND
6.751 INCHES MAXIMUM
FLANGE SEAT TO DISK END HEIGHT0.936 INCHES MINIMUM AND
0.940 INCHES MAXIMUM
UNDER FLANGE HEIGHT2.260 INCHES NOMINAL
HARDNESS RATING40.0 ROCKWELL C NOMINAL FACE
SEATING SURFACE SHAPERADIAL
THE MANUFACTURERS DATA
MANUFACTURERS CODE03502
DESIGN CONTROL REFERENCE439B750PC8


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