4820-00-449-4555 SEAT,VALVE Index 4820-00-449-4563 SEAT,VALVE

National Stock Number:
4820-00-449-4559

Federal Supply Class:
4820

National Item Identification Number:
004494559

Description:
DIAPHRAGM,ACTUATOR VALVE,SPECIAL

Detail:
An item constructed of one or more layers of thin flexible material, either laminated or separated, designed to form a tight seal between the chambers of a valve, and to transmit pressure inducted motion to a valve disk either directly or through a mechanical linkage. The surface of the item must be formed or molded to have a beaded or rolled edge, ribs or any other raised surfaces. The item may contain bolt holes and/or center holes. Excludes DIAPHRA GM, VALVE, FLAT and GASKET.


Manufacturer Information:
2770100BR59SIEMENS GOVERNMENT TECHNOLOGIES, INC.
27701082328DRESSER RAND CO TERRY CORP STEAM TURBINE MOTOR AND GENERATOR CO A JOINT VENTURE
277010830Q4CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION
2770108FGX3CURTISS-WRIGHT ELECTRO-MECHANICAL CORP


Techincal Specification:
BEAD DIAMETER2.500 INCHES NOMINAL
BOLT HOLE QUANTITY6
BOLT CIRCLE DIAMETER3.625 INCHES NOMINAL
CENTER HOLE DIAMETER0.375 INCHES NOMINAL
HOLE DIAMETER0.300 INCHES NOMINAL
OUTSIDE DIAMETER4.312 INCHES NOMINAL
MATERIAL THICKNESS0.040 INCHES NOMINAL
MATERIALRUBBER
STYLE DESIGNATORSPECIAL SHAPED


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