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 5930-00-268-0323
NSN 7035-01-364-0286
NSN 6240-00-307-9650
NSN 6145-01-585-5713
NSN 5998-01-652-7715
NSN 5985-01-122-1671
NSN 5930-01-472-2026
NSN 5935-01-416-5879
NSN 6145-00-609-2879
NSN 4140-00-463-6166
NSN 5920-00-550-7727
NSN 5965-01-201-8399