4820-00-756-9624 DISK,VALVE Index 4820-00-756-9627 SEAT,VALVE

National Stock Number:
4820-00-756-9626

Federal Supply Class:
4820

National Item Identification Number:
007569626

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:
356C601PC124446GENERAL ELECTRIC COMPANY
870B344-101289GENERAL ELECTRIC COMPANY DBA GE DIV GE-AVIATION GEAR PLANT
870B344-124446GENERAL ELECTRIC COMPANY


Techincal Specification:
BODY INSIDE DIAMETER3.875 INCHES MINIMUM AND 3.885 INCHES MAXIMUM
BODY OUTSIDE DIAMETER6.000 INCHES MINIMUM AND 6.001 INCHES MAXIMUM
OVERALL HEIGHT3.500 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-R-17131,TYPE MIL-RCOCR-A MIL SPEC SINGLE MATERIAL RESPONSE SEAT
MATERIALCOBALT ALLOY SEAT
SEAT RADIUS1.344 INCHES NOMINAL
SEATING SURFACE SHAPERADIAL
STYLE DESIGNATORPLAIN


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