4820-01-408-4747 VALVE,BUTTERFLY Index 3040-01-408-4749 SHAFT,SHOULDERED

National Stock Number:
4820-01-408-4748

Federal Supply Class:
4820

National Item Identification Number:
014084748

Description:
VALVE,BUTTERFLY

Detail:
A valve that controls flow by a circular disk, or a pair of semicircular disks, attached to a common spindle or lever turning on a diametral axis.


Manufacturer Information:
2498-00-28216626CIRCOR INTL INC
2498-00-282 8IN16626CIRCOR INTL INC
2498-00-282 8IN35795LESLIE CONTROLS, INC.


Techincal Specification:
SPECIAL FEATURESGITEMS ARE BEING CODED AS CRITICAL TO INSURE SOURCE INSPECTION WILL BE PERFORMED AT THE POINT OF MANUFACTURE, PRIOR TO MATERIAL RECEIPT BY THE US NAVY OR OTHER DOD COMPONENTS. THESE ITEMS ARE PIECE PARTS OR END ITEMS IN SUPPORT OF VITAL MILITARY HARDWARE NECESSARY TO SUSTAIN THE SUCCESSFUL MISSION OF THE SHIPS, SUBMARINES, AND SHORE STATIONS OF THE US NAVY. CRITICAL FEATURES INCLUDING, BUT NOT LIMITED TO, DIMENSIONS, TOLERANCES/CLEARANCES, ELECTRONIC CHARACTERISTICS, AND METALLURGICAL PROPERTIES WILL BESPECIFIED FOR GOVERNMENT Q AR (QUALITY ASSURANCE REPRESENTATIVES) TO INSURE THE HIGHEST POSSIBLE DEGREE OF QUALITY AND RELIABILITY OF THESE PARTS BEING DELIVERED UNDER NAVICP CONTRACTS; WITH GEAR OPERATOR
VALVE OPERATION METHODMANUAL
STYLE DESIGNATORSTRAIGHT THRU
BUTTERFLY VALVE SIZE8.000 INCHES
CRITICALITY CODE JUSTIFICATIONFEAT
MATERIALCOPPER ALLOY BODY
MATERIALNICKEL ALLOY FLOW CONTROL DEVICE
MATERIALNICKEL ALLOY STEM
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE SEAT
PROPRIETARY CHARACTERISTICSPACS
MAXIMUM OPERATING PRESSURE285.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS SINGLE RESPONSE
MOUNTING FACILITYWAFER


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