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 6220-01-223-8233
NSN 5999-01-227-2526
NSN 5975-01-245-0303
NSN 5935-01-243-6899
NSN 5999-01-630-5860
NSN 5855-01-063-6340
NSN 6320-00-681-1324
NSN 6105-01-045-1015
NSN 6685-00-159-0724
NSN 5905-00-844-2289
NSN 6320-00-394-8458
NSN 5996-01-370-5570