4820-01-261-9742, SEAT,VALVE

National Stock Number:
4820-01-261-9742

Federal Supply Class:
4820

National Item Identification Number:
012619742

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:

717252	0BR59	SIEMENS GOVERNMENT TECHNOLOGIES, INC.
717252	82328	DRESSER RAND CO TERRY CORP STEAM TURBINE MOTOR AND GENERATOR CO A JOINT VENTURE
B-3411	82328	DRESSER RAND CO TERRY CORP STEAM TURBINE MOTOR AND GENERATOR CO A JOINT VENTURE
H-8413	82328	DRESSER RAND CO TERRY CORP STEAM TURBINE MOTOR AND GENERATOR CO A JOINT VENTURE
717252	830Q4	CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION
717252	8FGX3	CURTISS-WRIGHT ELECTRO-MECHANICAL CORP
H-8413 PIECE 181	0BR59	SIEMENS GOVERNMENT TECHNOLOGIES, INC.
H-8413 PIECE 181	82328	DRESSER RAND CO TERRY CORP STEAM TURBINE MOTOR AND GENERATOR CO A JOINT VENTURE
H-8413 PIECE 181	830Q4	CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION
H-8413 PIECE 181	8FGX3	CURTISS-WRIGHT ELECTRO-MECHANICAL CORP

Techincal Specification:

BODY INSIDE DIAMETER	1.000 INCHES NOMINAL
BODY OUTSIDE DIAMETER	1.8765 INCHES NOMINAL
FLANGE DIAMETER	1.998 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT	0.375 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-890 CLASS C MIL SPEC SINGLE MATERIAL RESPONSE SEAT
MATERIAL	STEEL SEAT
SEATING SURFACE SHAPE	O-RING
SEAL ACCOMMODATION TYPE	GROOVED
STYLE DESIGNATOR	PLAIN FLANGED
UNDER FLANGE HEIGHT	0.250 INCHES NOMINAL

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