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 6135-01-120-9812
NSN 5985-00-916-2305
NSN 6650-01-361-3060
NSN 5975-01-215-3473
NSN 7035-01-382-4413
NSN 6130-01-347-7959
NSN 6610-00-110-9455
NSN 5915-01-262-2950
NSN 6145-01-092-4075
NSN 5855-01-083-1027
NSN 6645-01-529-5690
NSN 5835-01-193-6192