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 5985-01-190-9001
NSN 6650-01-268-6226
NSN 6220-00-517-9300
NSN 6105-01-101-4020
NSN 6130-01-069-6698
NSN 6220-01-451-0084
NSN 5990-00-460-9394
NSN 6320-01-429-9871
NSN 6145-01-444-3548
NSN 5965-01-046-9619
NSN 6105-01-087-4264
NSN 5999-00-186-9314