2825-00-858-0104 VALVE,POPPET,STEAM Index 4820-00-858-0108 SEAT,VALVE

National Stock Number:
4820-00-858-0107

Federal Supply Class:
4820

National Item Identification Number:
008580107

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:
101B209BBPC124446GENERAL ELECTRIC COMPANY
101B209BBPIECE103502GENERAL ELECTRIC CO NAVAL AND DRIVE TURBINE SYSTEMS DEPT
101B209CAPIECE101289GENERAL ELECTRIC COMPANY DBA GE DIV GE-AVIATION GEAR PLANT
101B209CAPIECE103502GENERAL ELECTRIC CO NAVAL AND DRIVE TURBINE SYSTEMS DEPT
101B209CAPC103502GENERAL ELECTRIC CO NAVAL AND DRIVE TURBINE SYSTEMS DEPT


Techincal Specification:
STYLE DESIGNATORPLAIN FLANGED
FLANGE DIAMETER2.626 INCHES MINIMUM AND
2.631 INCHES MAXIMUM
BODY OUTSIDE DIAMETER2.062 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT0.447 INCHES MINIMUM AND
0.503 INCHES MAXIMUM
UNDER FLANGE HEIGHT1.000 INCHES NOMINAL
BODY STEPPED INSIDE DIAMETER0.656 INCHES MINIMUM AND
0.658 INCHES MAXIMUM FIRST STEP
1.500 INCHES NOMINAL SECOND STEP
MATERIALSTEEL BODY
STEEL SEAT
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763,CL 410,COND T FED SPEC SINGLE MATERIAL RESPONSE BODY
MIL-R-17131,TY MIL-RCOCR-A MIL SPEC SINGLE MATERIAL RESPONSE SEAT
SEATING SURFACE SHAPERADIAL
SEAT RADIUS0.194 INCHES MINIMUM AND
0.200 INCHES MAXIMUM
THE MANUFACTURERS DATA
MANUFACTURERS CODE01289
DESIGN CONTROL REFERENCE101B209CAPIECE1


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