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 5999-01-444-3486
NSN 6685-00-844-1172
NSN 6610-01-114-0796
NSN 6105-00-421-5157
NSN 7035-01-355-6599
NSN 5905-01-133-3850
NSN 6145-00-948-9542
NSN 6135-00-913-2062
NSN 5935-01-300-0551
NSN 6645-01-611-0968
NSN 5835-00-880-6477
NSN 6135-00-152-8729