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 5855-01-136-9532
NSN 5999-01-391-5646
NSN 5855-01-611-8933
NSN 6130-00-170-4844
NSN 5985-01-211-6549
NSN 5930-01-610-0831
NSN 5985-01-616-5549
NSN 6685-00-140-5192
NSN 4140-01-422-3309
NSN 5925-00-081-9135
NSN 2925-01-645-2948
NSN 6610-01-076-4800