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 5835-00-233-6327
NSN 5990-01-411-5930
NSN 6645-01-322-0697
NSN 5930-01-060-7433
NSN 5835-00-356-3825
NSN 6240-01-366-4738
NSN 6145-01-273-1714
NSN 5915-00-269-9252
NSN 6130-01-197-2920
NSN 6110-01-502-7005
NSN 5975-01-123-9011
NSN 6240-00-556-8657