4820-00-243-6698 SEAT,VALVE Index 4820-00-243-6700 STEM,VALVE

National Stock Number:
4820-00-243-6699

Federal Supply Class:
4820

National Item Identification Number:
002436699

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:
810-1385637-880064NAVAL SHIP SYSTEMS COMMAND


Techincal Specification:
BOLT CIRCLE NOMINAL DIAMETER11.062 INCHES FIRST END
BOLT HOLE NOMINAL DIAMETER0.688 INCHES FIRST END
BOLT HOLE QUANTITY14 FIRST END
CONNECTION TYPEFLANGE FIRST END
CRITICALITY CODE JUSTIFICATIONZZZY
DISK LOADING METHODWEIGHT
FACE TO FACE DISTANCE18.500 INCHES
FLANGE FACE DESIGNPLAIN FIRST END
FLANGE SHAPEROUND WITH HOLES FIRST END
FLOW CONTROL DEVICEDISK
OPERATING PRESSURE250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
MATERIALCOPPER ALLOY 922 AND NICKEL ALLOY AND NICKEL ALLOY 400 STEM
MATERIALCOPPER ALLOY 922 BODY
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS SINGLE RESPONSE
MOUNTING POSITIONHORIZONTAL
NOMINAL OUTSIDE DIAMETER12.375 INCHES FIRST END
NOMINAL THICKNESS1.312 INCHES FIRST END
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
RENEWABLE SEAT RING TYPETHREADED
VALVE OPERATION METHODAUTOMATIC
STYLE DESIGNATORSTRAIGHT THRU


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