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 6130-01-507-5352
NSN 5925-00-286-4667
NSN 5990-01-201-1698
NSN 5935-01-641-6726
NSN 5895-01-043-5005
NSN 5960-00-104-5955
NSN 6645-01-055-9423
NSN 6130-00-317-3054
NSN 5930-01-312-2681
NSN 5945-01-014-2859
NSN 5855-01-485-3429
NSN 5835-00-071-5739