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 7035-01-054-4868
NSN 5975-01-189-7345
NSN 5945-00-500-9424
NSN 6130-01-307-5527
NSN 6620-00-382-8827
NSN 5835-00-198-4936
NSN 5835-01-055-6063
NSN 6110-01-397-5482
NSN 5990-00-296-4825
NSN 5925-01-580-3255
NSN 5920-01-142-1836
NSN 6620-01-551-7071