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.
Classification: Butterfly type taps, cocks and valves of iron, hand operated
NSN 5996-00-196-2718
NSN 5895-01-299-0642
NSN 6240-01-140-8762
NSN 6320-01-207-9038
NSN 6145-00-182-2865
NSN 5998-00-153-3204
NSN 5996-01-347-5725
NSN 6150-01-656-5951
NSN 5985-00-192-3956
NSN 5985-01-254-2976
NSN 5975-00-780-5123
NSN 6645-01-567-8282