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 5910-00-362-6687
NSN 5960-01-353-3302
NSN 2925-01-271-8727
NSN 6645-00-569-1759
NSN 7035-01-184-8905
NSN 6650-01-419-0286
NSN 6620-01-616-1772
NSN 5835-00-019-1816
NSN 5945-01-548-0933
NSN 6240-01-382-3756
NSN 5915-01-617-2540
NSN 6105-00-274-5460