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 5960-00-082-4298
NSN 5990-01-386-3040
NSN 5985-00-400-3689
NSN 6620-00-453-8180
NSN 6240-01-080-9620
NSN 5905-01-057-3625
NSN 5935-01-453-3398
NSN 6145-00-574-1152
NSN 6220-00-053-5599
NSN 6220-01-274-5900
NSN 5910-01-237-2621
NSN 5996-01-600-1131