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 5960-01-262-9175
NSN 5935-01-190-8081
NSN 5985-01-545-6899
NSN 5855-00-885-8452
NSN 5925-00-677-1937
NSN 5935-00-815-0178
NSN 2925-01-407-4958
NSN 6130-00-914-1617
NSN 4140-01-386-6688
NSN 5895-00-291-4045
NSN 5835-01-597-4820
NSN 5905-01-239-5051