4820-00-057-2106, SEAT,VALVE

National Stock Number:
4820-00-057-2106

Federal Supply Class:
4820

National Item Identification Number:
000572106

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:

717004	0BR59	SIEMENS GOVERNMENT TECHNOLOGIES, INC.
717004	82328	DRESSER RAND CO TERRY CORP STEAM TURBINE MOTOR AND GENERATOR CO A JOINT VENTURE
717004	830Q4	CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION
717004	8FGX3	CURTISS-WRIGHT ELECTRO-MECHANICAL CORP
BK183A1371	0BR59	SIEMENS GOVERNMENT TECHNOLOGIES, INC.
BK183A1371	82328	DRESSER RAND CO TERRY CORP STEAM TURBINE MOTOR AND GENERATOR CO A JOINT VENTURE
BK183A1371	830Q4	CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION
BK183A1371	8FGX3	CURTISS-WRIGHT ELECTRO-MECHANICAL CORP
NB3027PC183	0BR59	SIEMENS GOVERNMENT TECHNOLOGIES, INC.
NB3027PC183	82328	DRESSER RAND CO TERRY CORP STEAM TURBINE MOTOR AND GENERATOR CO A JOINT VENTURE
NB3027PC183	830Q4	CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION
NB3027PC183	8FGX3	CURTISS-WRIGHT ELECTRO-MECHANICAL CORP

Techincal Specification:

BODY INSIDE DIAMETER	2.000 INCHES MINIMUM AND 2.002 INCHES MAXIMUM
BODY OUTSIDE DIAMETER	3.118 INCHES MINIMUM AND 3.121 INCHES MAXIMUM
FLANGE DIAMETER	4.309 INCHES MINIMUM AND 4.315 INCHES MAXIMUM
FLANGE SEAT TO DISK END HEIGHT	0.469 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATION	FED STD 66,AISI 416/SAE 51416 FED STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL OVERALL
SEAT ANGLE IN DEG	45.000 NOMINAL
SEATING SURFACE SHAPE	ANGULAR
STYLE DESIGNATOR	PLAIN FLANGED
UNDER FLANGE HEIGHT	0.812 INCHES NOMINAL

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