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 5910-00-365-5678
NSN 5985-01-444-8945
NSN 5945-00-269-5375
NSN 5965-00-451-0518
NSN 5998-01-023-9561
NSN 6145-00-471-3975
NSN 5915-01-167-9072
NSN 5975-01-471-3589
NSN 6240-00-952-1906
NSN 5990-00-318-3990
NSN 5999-00-316-3591
NSN 5996-00-712-2939