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 5935-01-017-3713
NSN 6620-00-900-3986
NSN 6240-01-487-3840
NSN 5905-01-023-8181
NSN 5985-01-268-0665
NSN 5975-01-482-0543
NSN 5925-01-437-8542
NSN 6105-01-060-9025
NSN 6135-01-124-2376
NSN 5835-01-519-3834
NSN 6650-01-127-9518
NSN 5915-00-753-7433