4820-00-678-6390, SEAT,VALVE

National Stock Number:
4820-00-678-6390

Federal Supply Class:
4820

National Item Identification Number:
006786390

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:

717038	0BR59	SIEMENS GOVERNMENT TECHNOLOGIES, INC.
717038	82328	DRESSER RAND CO TERRY CORP STEAM TURBINE MOTOR AND GENERATOR CO A JOINT VENTURE
717038	830Q4	CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION
717038	8FGX3	CURTISS-WRIGHT ELECTRO-MECHANICAL CORP
912A1556	0BR59	SIEMENS GOVERNMENT TECHNOLOGIES, INC.
912A1556	82328	DRESSER RAND CO TERRY CORP STEAM TURBINE MOTOR AND GENERATOR CO A JOINT VENTURE
912A1556	830Q4	CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION
912A1556	8FGX3	CURTISS-WRIGHT ELECTRO-MECHANICAL CORP
A-1556	0BR59	SIEMENS GOVERNMENT TECHNOLOGIES, INC.
A-1556	82328	DRESSER RAND CO TERRY CORP STEAM TURBINE MOTOR AND GENERATOR CO A JOINT VENTURE
A-1556	830Q4	CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION
A-1556	8FGX3	CURTISS-WRIGHT ELECTRO-MECHANICAL CORP
A1556PC912	0BR59	SIEMENS GOVERNMENT TECHNOLOGIES, INC.
A1556PC912	82328	DRESSER RAND CO TERRY CORP STEAM TURBINE MOTOR AND GENERATOR CO A JOINT VENTURE
A1556PC912	830Q4	CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION
A1556PC912	8FGX3	CURTISS-WRIGHT ELECTRO-MECHANICAL CORP

Techincal Specification:

BODY INSIDE DIAMETER	0.188 INCHES NOMINAL
BODY OUTSIDE DIAMETER	1.000 INCHES NOMINAL
FLANGE DIAMETER	2.375 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT	1.250 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATION	COBALT-CHROMIUM ALLOY ASSN STD SINGLE MATERIAL RESPONSE FACE
MATERIAL	CHROMIUM ALLOY BODY
MATERIAL	COBALT ALLOY FACE
NOMINAL THREAD SIZE	0.875 INCHES SINGLE THREADED PORTION
SEATING SURFACE SHAPE	ANGULAR
SEAT ANGLE IN DEG	45.000 NOMINAL
STYLE DESIGNATOR	PLAIN FLANGED
THREAD LENGTH	0.500 INCHES NOMINAL SINGLE THREADED PORTION
THREAD SERIES DESIGNATOR	NPT SINGLE THREADED PORTION
UNDER FLANGE HEIGHT	0.500 INCHES NOMINAL

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