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 5950-00-544-9861
NSN 6620-01-610-5081
NSN 7035-00-541-8516
NSN 5990-01-110-8979
NSN 5905-01-295-5716
NSN 5905-01-201-6584
NSN 2925-01-508-4138
NSN 5960-00-285-1001
NSN 6135-01-196-7399
NSN 5895-01-631-1150
NSN 5945-00-933-4466
NSN 5996-01-482-0178