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 6240-00-117-3778
NSN 6105-00-895-6997
NSN 5835-00-856-2437
NSN 5905-01-261-0800
NSN 5855-01-491-6967
NSN 6110-01-411-6000
NSN 5960-01-237-5458
NSN 5935-01-495-6124
NSN 5835-01-485-0210
NSN 5910-01-013-9388
NSN 2925-00-265-7539
NSN 5945-00-244-3319