4820-00-858-0097 STEM,TEST VALVE Index 3120-00-858-0100 BUSHING,SLEEVE

National Stock Number:
4820-00-858-0099

Federal Supply Class:
4820

National Item Identification Number:
008580099

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:
101B209BCPC124446GENERAL ELECTRIC COMPANY
101B209BCPIECE103502GENERAL ELECTRIC CO NAVAL AND DRIVE TURBINE SYSTEMS DEPT
101B209CBPC101289GENERAL ELECTRIC COMPANY
101B209BCPIECE10BR59SIEMENS GOVERNMENT TECHNOLOGIES, INC.
101B209BCPIECE1830Q4CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION
101B209BCPIECE18FGX3CURTISS-WRIGHT ELECTRO-MECHANICAL CORP
101B209CBPC103502GENERAL ELECTRIC CO NAVAL AND DRIVE TURBINE SYSTEMS DEPT


Techincal Specification:
BODY OUTSIDE DIAMETER2.062 INCHES NOMINAL
BODY STEPPED INSIDE DIAMETER1.281 INCHES MINIMUM AND 1.284 INCHES MAXIMUM FIRST STEP
BODY STEPPED INSIDE DIAMETER1.649 INCHES MINIMUM AND 1.655 INCHES MAXIMUM SECOND STEP
FLANGE DIAMETER2.626 INCHES MINIMUM AND 2.655 INCHES MAXIMUM
FLANGE SEAT TO DISK END HEIGHT0.447 INCHES MINIMUM AND 0.503 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-R-17131 TY MIL-RCOCR-A STELLITE MIL SPEC SINGLE MATERIAL RESPONSE SEAT
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763,CL 410,COND T FED SPEC SINGLE MATERIAL RESPONSE BODY
MATERIALSTEEL BODY
MATERIALSTEEL SEAT
SEAT RADIUS0.384 INCHES MINIMUM AND 0.387 INCHES MAXIMUM
SEATING SURFACE SHAPERADIAL
STYLE DESIGNATORPLAIN FLANGED
UNDER FLANGE HEIGHT1.680 INCHES NOMINAL


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