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 5910-00-937-5849
NSN 6145-01-345-6572
NSN 6650-01-556-6941
NSN 5990-01-432-0523
NSN 5945-01-381-5487
NSN 6150-00-487-4484
NSN 6320-01-267-5117
NSN
NSN 5960-01-274-3900
NSN 5965-01-296-8991
NSN 5950-00-260-5591
NSN 6610-01-417-3011