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 6150-01-043-8813
NSN 5915-01-112-3303
NSN 5905-01-446-6585
NSN 6150-01-113-8204
NSN 5920-00-616-4087
NSN 2925-01-462-1620
NSN 5999-01-476-3170
NSN 6685-01-602-7881
NSN 6150-00-596-9882
NSN 5855-00-482-9876
NSN 6130-01-309-3779
NSN 5835-00-841-2650