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 6620-01-352-5640
NSN 6610-00-860-8086
NSN 5855-01-218-1646
NSN 5855-01-290-3248
NSN 6620-00-581-5325
NSN 6650-01-158-6888
NSN 5920-01-277-9505
NSN 5920-00-915-3571
NSN 7035-01-268-0933
NSN 6220-01-417-9224
NSN 5910-01-133-1092
NSN 5990-00-433-3445