2835-00-903-4950 DISK,TURBINE,NONAIRCRAFT GAS TUR Index 2825-00-903-4952 VALVE,GOVERNOR

National Stock Number:
4820-00-903-4951

Federal Supply Class:
4820

National Item Identification Number:
009034951

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:
5013PIECE5282328DRESSER RAND CO TERRY CORP STEAM TURBINE MOTOR AND GENERATOR CO A JOINT VENTURE
52ND501382328DRESSER RAND CO TERRY CORP STEAM TURBINE MOTOR AND GENERATOR CO A JOINT VENTURE
7170750BR59SIEMENS GOVERNMENT TECHNOLOGIES, INC.
71707582328DRESSER RAND CO TERRY CORP STEAM TURBINE MOTOR AND GENERATOR CO A JOINT VENTURE
717075830Q4CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION
7170758FGX3CURTISS-WRIGHT ELECTRO-MECHANICAL CORP
ND5013PC5282328DRESSER RAND CO TERRY CORP STEAM TURBINE MOTOR AND GENERATOR CO A JOINT VENTURE


Techincal Specification:
STYLE DESIGNATORPLAIN FLANGED
FLANGE DIAMETER1.998 INCHES MINIMUM AND
1.999 INCHES MAXIMUM
BODY OUTSIDE DIAMETER1.874 INCHES MINIMUM AND
1.875 INCHES MAXIMUM
BODY INSIDE DIAMETER0.875 INCHES MINIMUM AND
0.877 INCHES MAXIMUM
FLANGE SEAT TO DISK END HEIGHT0.188 INCHES NOMINAL
UNDER FLANGE HEIGHT0.250 INCHES NOMINAL
MATERIALSTEEL BODY
ROD,WELDING,SURFACING FACE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763,CLASS 303 FED SPEC SINGLE MATERIAL RESPONSE BODY
MIL-R-17131,TYPE MIL-RCOCR-A MIL SPEC SINGLE MATERIAL RESPONSE FACE
SEATING SURFACE SHAPEANGULAR
SEAT ANGLE IN DEG25.000 NOMINAL
THE MANUFACTURERS DATA
MANUFACTURERS CODE8FGX3
DESIGN CONTROL REFERENCE717075


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