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 2925-00-156-4495
NSN 5935-01-094-7409
NSN 5915-00-844-2487
NSN 6320-01-454-1965
NSN 5950-01-211-8098
NSN 6110-01-054-9059
NSN 5925-01-064-2388
NSN 5905-01-545-6839
NSN 5960-01-331-3817
NSN 6645-01-366-3993
NSN 6105-00-757-3613
NSN 5835-01-193-6192