4820-00-202-7666 VALVE,CHECK Index 4820-00-202-7672 VALVE,CHECK

National Stock Number:
4820-00-202-7671

Federal Supply Class:
4820

National Item Identification Number:
002027671

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:
3682-05PC6796169ELECTRIC BOAT CORPORATION
404LFTX-6B-309990PARKER-HANNIFIN CORPORATION
404LFTX6B386768TELEDYNE INDUSTRIES INC TELEDYNE FLUID SYSTEMS REPUBLIC BUSINESS UNIT
571-7502-1302369PC6753711NAVAL SEA SYSTEMS COMMAND
571-7502-1302369PC6780064NAVAL SHIP SYSTEMS COMMAND
706F-196948KEPNER PRODUCTS CO


Techincal Specification:
CONNECTION STYLEFLARED (TUBE) 1ST END
CONNECTION TYPETHREADED EXTERNAL TUBE 1ST END
CONNECTION TYPETHREADED INTERNAL PIPE 2ND END
CONNECTION STYLEPLAIN, OPTIONAL END (PIPE) 2ND END
DISK LOADING METHODSPRING
FLOW CONTROL DEVICEBALL
MATERIALCOPPER ALLOY SEAT
MATERIALCOPPER ALLOY BODY
MATERIALSTEEL CORROSION RESISTING FLOW CONTROL DEVICE
MAXIMUM OPERATING PRESSURE500.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP350.0 FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDFUEL/OIL, HYDROCARBON SINGLE RESPONSE
MOUNTING POSITIONHORIZONTAL OR VERTICAL
NOMINAL THREAD SIZE0.250 INCHES 2ND END
NOMINAL THREAD SIZE0.625 INCHES 1ST END
OPENING PRESSURE SETTING3.0 POUNDS PER SQUARE INCH
SEAT ANGLE45.0 DEGREES 1ST END
STYLE DESIGNATORSTRAIGHT THRU
THREAD CLASS3A 1ST END
THREAD DIRECTIONRIGHT-HAND 1ST END
THREAD DIRECTIONRIGHT-HAND 2ND END
THREAD SERIES DESIGNATORNPT 2ND END
THREAD SERIES DESIGNATORUNF 1ST END
VALVE OPERATION METHODAUTOMATIC


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