4720-00-204-1873 HOSE,AIR DUCT Index 4820-00-204-1892 VALVE,CHECK

National Stock Number:
4820-00-204-1890

Federal Supply Class:
4820

National Item Identification Number:
002041890

Description:
VALVE,CHECK

Detail:
A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.


Manufacturer Information:
277WS263686THE WALWORTH COMPANY
4276-55REVAPCV11389103PEARL HARBOR NAVAL SHIPYARD AND INTERMEDIATE MAINTENANCE FACILITY
4276-55REVAPCV11396169ELECTRIC BOAT CORPORATION
576-4900-1505133PCV11353711NAVAL SEA SYSTEMS COMMAND
576-4900-1505133REVAPCV11380064NAVAL SHIP SYSTEMS COMMAND
DS2161PC277WS263686THE WALWORTH COMPANY


Techincal Specification:
CONNECTION TYPETHREADED INTERNAL PIPE 1ST END
CONNECTION TYPETHREADED INTERNAL PIPE 2ND END
CONNECTION STYLEPLAIN, OPTIONAL END (PIPE) 1ST END
FLOW CONTROL DEVICEDISK
MATERIALCOPPER ALLOY 706 OVERALL
MAXIMUM OPERATING PRESSURE300.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS SINGLE RESPONSE
MOUNTING POSITIONHORIZONTAL
NOMINAL PIPE SIZE ACCOMMODATED2.000 INCHES 1ST END
NOMINAL THREAD SIZE2.000 INCHES 1ST END
RENEWABLE SEAT RING TYPETHREADED
STYLE DESIGNATORSTRAIGHT THRU
THREAD DIRECTIONRIGHT-HAND 1ST END
THREAD QUANTITY PER INCH11-1/2 1ST END
THREAD SERIES DESIGNATORNPT 1ST END
VALVE OPERATION METHODAUTOMATIC


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