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 6240-00-432-2705
NSN 7035-00-408-8170
NSN 6240-00-850-4280
NSN 6685-01-200-7617
NSN 6645-01-465-0115
NSN 5920-01-415-6546
NSN 5915-00-276-5485
NSN 5998-01-463-7273
NSN 6105-01-237-2507
NSN 5945-01-600-0600
NSN 5915-01-467-2578
NSN 7035-01-317-4227