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 7035-00-421-8710
NSN 6650-01-395-1882
NSN 7035-01-338-5930
NSN 6620-00-246-5159
NSN 6130-00-577-8470
NSN 5990-00-144-3243
NSN 5985-01-476-2683
NSN 5915-00-536-3379
NSN 5930-01-437-7127
NSN 5930-01-020-7715
NSN 6105-00-677-0593
NSN 6145-00-331-4888