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 6610-00-582-1107
NSN 6110-01-353-6674
NSN 6145-00-789-3705
NSN 5905-01-299-2686
NSN 5945-01-050-8760
NSN 5855-01-380-9950
NSN 6220-01-350-1735
NSN 2925-00-918-0859
NSN 5835-01-565-3411
NSN 5965-01-142-1807
NSN 5910-01-630-4030
NSN 6320-00-433-2773