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 7035-00-931-9415
NSN 5999-00-344-8652
NSN 6105-01-563-7594
NSN 6110-00-987-6971
NSN 6645-01-042-4220
NSN 6610-01-595-1032
NSN 6145-01-417-2988
NSN 7035-01-413-6697
NSN 5945-01-558-8900
NSN 6150-00-518-1402
NSN 5998-01-142-2883
NSN 6610-01-605-1161