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 6610-01-406-4985
NSN 5945-00-106-6677
NSN 6145-01-221-4300
NSN 5999-00-709-9260
NSN 5905-01-545-9670
NSN 6135-01-633-8502
NSN 5985-01-270-0667
NSN 6620-01-531-0415
NSN 2925-00-115-5857
NSN 6135-00-175-7132
NSN 5895-00-593-3839
NSN 6610-00-584-5055