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 5915-01-110-3278
NSN 6130-01-048-7309
NSN 5960-01-341-4447
NSN 4140-01-593-2253
NSN 5945-00-308-3944
NSN 6610-00-934-1044
NSN 5835-00-334-6556
NSN 6320-01-540-4885
NSN 6145-00-738-5601
NSN 6240-00-010-9950
NSN 5855-01-034-3845
NSN 5990-01-443-2931