4820-00-090-9800 VALVE,FLOW CONTROL Index 4820-00-090-9808 DISC,VALVE

National Stock Number:
4820-00-090-9803

Federal Supply Class:
4820

National Item Identification Number:
000909803

Description:
DIAPHRAGM,VALVE,FLAT

Detail:
An item in the form of one or more thin flexible sheets normally designed to form a tight seal between chambers of a valve, and to transmit motion to a valve disk either directly or through a mechanical linkage. The surface of the item(s) may not 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 a center hole. Excludes DIAPHRAGM, VALVE, SPECIAL SHAPED and GASKET.


Manufacturer Information:
575-4501-1487293REVAPC253711NAVAL SEA SYSTEMS COMMAND
575-4501-1487293REVAPC280064NAVAL SHIP SYSTEMS COMMAND
NAP553CDS1REVAPC270667ATLAS VALVE CO
NAP553PC1170667ATLAS VALVE CO
P799A70667ATLAS VALVE CO
P799A-0070667ATLAS VALVE CO


Techincal Specification:
BOLT CIRCLE DIAMETER4.906 INCHES NOMINAL
BOLT HOLE QUANTITY8
CENTER HOLE DIAMETER0.500 INCHES NOMINAL
HOLE DIAMETER0.312 INCHES NOMINAL
OUTSIDE DIAMETER5.593 INCHES NOMINAL
MATERIAL THICKNESS0.188 INCHES NOMINAL
MATERIALRUBBER SYNTHETIC
STYLE DESIGNATORFLAT


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