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 7035-00-897-7567
NSN 5905-01-167-9015
NSN 5945-01-410-2919
NSN 6150-01-106-3646
NSN 5915-00-204-4660
NSN 6650-00-705-0269
NSN 5930-01-322-4007
NSN 6105-01-033-3017
NSN 6620-01-030-9460
NSN 4140-00-765-1155
NSN 5920-00-598-0469
NSN 7035-00-902-8995