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 6110-01-633-9660
NSN 5915-01-106-8549
NSN 4140-00-288-6898
NSN 5920-01-114-6264
NSN 5895-01-413-8188
NSN 5965-01-398-8871
NSN 5945-01-477-3557
NSN 2925-01-432-8452
NSN 5855-00-427-7848
NSN 5999-01-432-0345
NSN 5930-01-068-3641
NSN 5930-01-230-0721