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 5990-00-484-3189
NSN 5935-01-487-4326
NSN 6620-00-176-3096
NSN 5975-01-364-1666
NSN 5990-01-497-2138
NSN 6645-01-503-2240
NSN 5975-01-118-8883
NSN 6220-01-025-6140
NSN 5895-00-776-6079
NSN 6150-01-343-4101
NSN 5950-00-181-9285
NSN 5835-01-452-7081