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 5925-01-633-7068
NSN 6610-01-641-6196
NSN 2925-01-386-7392
NSN 6110-01-500-9202
NSN 6240-01-548-8382
NSN 6650-01-350-2515
NSN 6650-01-446-6646
NSN 6130-01-290-2612
NSN 5945-01-468-6041
NSN 6650-01-579-2137
NSN 6650-01-588-9061
NSN 5945-01-302-5873