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 2925-01-105-7850
NSN 6220-01-578-1424
NSN 6150-00-575-8961
NSN 6645-01-074-4063
NSN 6610-00-674-6073
NSN 5915-00-001-5901
NSN 5996-01-075-5184
NSN 5945-00-225-8421
NSN 5895-00-518-4954
NSN 5935-00-013-1080
NSN 7035-01-138-3698
NSN 5935-01-485-3606