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 HOLE NOMINAL DIAMETER0.688 INCHES 1ST END
BOLT HOLE QUANTITY14 1ST END
BOLT CIRCLE NOMINAL DIAMETER11.062 INCHES 1ST END
CONNECTION TYPEFLANGE 1ST END
CRITICALITY CODE JUSTIFICATIONZZZY
DISK LOADING METHODWEIGHT
FACE TO FACE DISTANCE18.500 INCHES
FLANGE FACE DESIGNPLAIN 1ST END
FLANGE SHAPEROUND WITH HOLES 1ST END
FLOW CONTROL DEVICEDISK
MATERIALCOPPER ALLOY 922 AND NICKEL ALLOY AND NICKEL ALLOY 400 STEM
MATERIALCOPPER ALLOY 922 BODY
MAXIMUM OPERATING PRESSURE250.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS SINGLE RESPONSE
MOUNTING POSITIONHORIZONTAL
NOMINAL OUTSIDE DIAMETER12.375 INCHES 1ST END
NOMINAL THICKNESS1.312 INCHES 1ST 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
STYLE DESIGNATORSTRAIGHT THRU
VALVE OPERATION METHODAUTOMATIC


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