4820-00-288-7047 VALVE,CHECK Index 4820-00-288-7052 VALVE,CHECK

National Stock Number:
4820-00-288-7051

Federal Supply Class:
4820

National Item Identification Number:
002887051

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:
3782-05REVAPC4582126MARE ISLAND NAVAL SHIPYARD
3782-05REVAPC4596169ELECTRIC BOAT CORPORATION
575-7500-1444025REVAPC4553711NAVAL SEA SYSTEMS COMMAND
575-7500-1444025REVAPC4580064NAVAL SHIP SYSTEMS COMMAND
404FTX686768TELEDYNE INDUSTRIES INC TELEDYNE FLUID SYSTEMS REPUBLIC BUSINESS UNIT


Techincal Specification:
MATERIALCOPPER ALLOY BODY
STEEL CORROSION RESISTING FLOW CONTROL DEVICE
COPPER ALLOY SEAT
STYLE DESIGNATORSTRAIGHT THRU
FLOW CONTROL DEVICEBALL
MEDIA FOR WHICH DESIGNEDHYDRAULIC FLUID, PHOSPHATE-ESTER BASE 1ST RESPONSE
HYDRAULIC FLUID, SILICATE-ESTER BASE 2ND 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 EXTERNAL PIPE 2ND END
CONNECTION STYLEFLARED (TUBE) 1ST END
PLAIN (PIPE) 2ND END
SEAT ANGLE45.0 DEGREES 1ST END
NOMINAL PIPE SIZE ACCOMMODATED0.250 INCHES 2ND END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.375 INCHES 1ST END
THREAD SERIES DESIGNATORUNF 1ST END
NPT 2ND END
NOMINAL THREAD SIZE0.625 INCHES 1ST END
0.250 INCHES 2ND END
THREAD QUANTITY PER INCH18 2ND END
THREAD CLASS2A 1ST END
THREAD DIRECTIONRIGHT-HAND 1ST END
RIGHT-HAND 2ND END
MOUNTING POSITIONHORIZONTAL OR
VERTICAL
DISK LOADING METHODSPRING


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