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 6145-00-996-8879
NSN 5915-01-199-7175
NSN 5998-00-671-1242
NSN 5945-01-376-9490
NSN 5905-00-890-0757
NSN 5996-01-420-8231
NSN 5985-00-876-6144
NSN 5999-01-260-0119
NSN 6130-01-465-4548
NSN 5945-01-026-1231
NSN 5930-00-120-2554
NSN 5985-00-222-4217