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.
NSN 5930-00-770-6498
NSN 5920-01-393-4172
NSN 5915-00-866-9998
NSN 6105-01-329-1024
NSN 5925-01-626-2112
NSN 5985-01-468-5674
NSN 5999-00-395-2715
NSN 5910-01-561-0747
NSN 6130-00-830-5720
NSN 5935-00-229-2651
NSN 5930-01-443-0975
NSN 5925-01-649-1057