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National Stock Number: 4820-01-196-5165
Federal Supply Class: 4820
National Item Identification Number: 011965165
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.
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Manufacturer Information:
2 1/2 IN. R1020-64AA-1FM | 1NB39 | DOVER RESOURCES INC DIV NORRISEAL | 2 1/2 IN. R1020-64AA-1FM | 91363 | NORRISEAL NORRIS VALUES DIV DBA DOVER CO | 910-168 | 91363 | NORRISEAL NORRIS VALUES DIV DBA DOVER CO | 910-168 2 1/2 IN | 91363 | NORRISEAL NORRIS VALUES DIV DBA DOVER CO | 910D168 | 91363 | NORRISEAL NORRIS VALUES DIV DBA DOVER CO |
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Techincal Specification:
CONNECTION TYPE | FLANGE ALL ENDS | FACE TO FACE DISTANCE | 1.750 INCHES | FLANGE FACE DESIGN | PLAIN ALL ENDS | FLANGE SHAPE | ROUND ALL ENDS | MATERIAL | NICKEL ALLOY FLOW CONTROL DEVICE | MATERIAL | NICKEL ALLOY STEM | MATERIAL | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEAT | MATERIAL | STEEL BODY | MOUNTING FACILITY | WAFER | NOMINAL OUTSIDE DIAMETER | 7.000 INCHES ALL ENDS | NOMINAL THICKNESS | 0.688 INCHES ALL ENDS | STYLE DESIGNATOR | STRAIGHT THRU FLANGED ENDS | VALVE OPERATION METHOD | MANUAL | VALVE SIZE | 2.500 INCHES |
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