4820-00-733-5038 VALVE,BALL Index 4820-00-733-5040 SEAT,VALVE

National Stock Number:
4820-00-733-5039

Federal Supply Class:
4820

National Item Identification Number:
007335039

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:
371082483SPENCE ENGINEERING CO INC DBA NICHOLSON STEAM TRAP
5-00555-082483SPENCE ENGINEERING CO INC DBA NICHOLSON STEAM TRAP
9906PC1282483SPENCE ENGINEERING CO INC DBA NICHOLSON STEAM TRAP


Techincal Specification:
BOLT CIRCLE DIAMETER4.562 INCHES NOMINAL
BOLT HOLE QUANTITY6
CENTER HOLE DIAMETER0.312 INCHES NOMINAL
HOLE DIAMETER0.285 INCHES NOMINAL
OUTSIDE DIAMETER5.000 INCHES NOMINAL
OVERALL HEIGHT1.000 INCHES NOMINAL
MATERIAL THICKNESS0.032 INCHES NOMINAL
MATERIALRUBBER SYNTHETIC
STYLE DESIGNATORSPECIAL SHAPED
TAPER MAJOR DIAMETER3.625 INCHES NOMINAL
TAPER MINOR DIAMETER3.000 INCHES NOMINAL


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