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:
MATERIALCOPPER ALLOY 922 BODY
COPPER ALLOY 922 AND
NICKEL ALLOY AND
NICKEL ALLOY 400 STEM
STYLE DESIGNATORSTRAIGHT THRU
FACE TO FACE DISTANCE18.500 INCHES
FLOW CONTROL DEVICEDISK
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE250.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
VALVE OPERATION METHODAUTOMATIC
CONNECTION TYPEFLANGE 1ST END
FLANGE SHAPEROUND WITH HOLES 1ST END
NOMINAL OUTSIDE DIAMETER12.375 INCHES 1ST END
NOMINAL THICKNESS1.312 INCHES 1ST END
BOLT HOLE QUANTITY14 1ST END
BOLT HOLE NOMINAL DIAMETER0.688 INCHES 1ST END
BOLT CIRCLE NOMINAL DIAMETER11.062 INCHES 1ST END
FLANGE FACE DESIGNPLAIN 1ST END
MOUNTING POSITIONHORIZONTAL
RENEWABLE SEAT RING TYPETHREADED
DISK LOADING METHODWEIGHT
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
CRITICALITY CODE JUSTIFICATIONZZZY
THE MANUFACTURERS DATA
MANUFACTURERS CODE80064
DESIGN CONTROL REFERENCE810-1385637-8


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