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 5965-00-405-3793
NSN 4140-01-652-3548
NSN 6130-01-010-8166
NSN 6620-01-572-4486
NSN 5990-01-591-8797
NSN 6220-01-337-7789
NSN 5985-01-262-4063
NSN 6650-00-952-4500
NSN 5925-01-413-4997
NSN 5990-01-393-4808
NSN 5855-00-436-3852
NSN 6220-00-298-9300