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 5999-00-222-4570
NSN 6105-01-603-5263
NSN 5965-01-550-0163
NSN 6650-00-045-8355
NSN 6685-01-364-9782
NSN 5960-01-190-7725
NSN 6220-01-295-6473
NSN 5920-00-888-7737
NSN 6105-01-114-2438
NSN 5990-00-653-8595
NSN 5935-01-441-5771
NSN 6620-01-332-1691