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 5905-00-984-9875
NSN 5925-01-391-1014
NSN 5855-00-150-1820
NSN 6240-01-227-4178
NSN 5965-00-594-3115
NSN 5910-01-368-3039
NSN 6150-00-936-0670
NSN 6240-01-552-0015
NSN 5855-01-591-0466
NSN 2925-01-389-6874
NSN 6240-01-526-9660
NSN 6145-01-578-4898