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 5935-01-379-3366
NSN 7035-01-232-7263
NSN 5935-01-417-6282
NSN 7035-01-462-1957
NSN 5835-01-163-4215
NSN 5950-00-429-2663
NSN 5915-01-225-1355
NSN 5855-01-364-9810
NSN 5905-00-232-9692
NSN 5996-01-547-9155
NSN 6685-01-080-1948
NSN 5855-01-447-4097