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 6645-01-445-5235
NSN 5835-01-434-0790
NSN 6145-00-952-2872
NSN 5895-00-283-5581
NSN 5998-00-334-0386
NSN 5999-00-904-4210
NSN 5999-00-126-5996
NSN 5895-01-088-5290
NSN 5996-01-536-8681
NSN 6110-01-218-4868
NSN 5930-00-515-7655
NSN 6130-01-246-7617