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 5925-01-180-8002
NSN 5895-01-450-7344
NSN 7035-01-580-0527
NSN 2925-01-461-6372
NSN 6150-01-288-5169
NSN 6145-01-416-2413
NSN 5945-01-303-4850
NSN 4140-01-502-7423
NSN 5905-01-063-5413
NSN 7035-01-128-7431
NSN 6685-01-629-9632
NSN 5935-01-192-8926