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 5835-00-491-6075
NSN 6610-01-224-7247
NSN 6685-01-105-7599
NSN 2925-01-446-6523
NSN 5925-01-515-3351
NSN 5999-01-371-0538
NSN 2925-01-113-6904
NSN 6685-00-946-4617
NSN 5910-00-161-0210
NSN 5855-01-122-9418
NSN 6645-00-664-4665
NSN 6135-01-026-9960