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
571-7502-1302369PC6753711NAVAL SEA SYSTEMS COMMAND
571-7502-1302369PC6780064NAVAL SHIP SYSTEMS COMMAND
404LFTX6B386768TELEDYNE INDUSTRIES INC TELEDYNE FLUID SYSTEMS REPUBLIC BUSINESS UNIT
706F-196948KEPNER PRODUCTS CO


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


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