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 5930-00-394-6938
NSN 5910-01-610-7734
NSN 5925-01-183-1203
NSN 5855-00-466-2309
NSN 2925-00-185-1618
NSN 5895-01-527-2404
NSN 6105-01-029-8010
NSN 6150-01-300-5618
NSN 5930-01-438-1736
NSN 5920-01-392-3603
NSN 5905-00-222-4322
NSN 6130-01-399-7490