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 5985-01-466-4260
NSN 5965-01-220-0529
NSN 5950-01-059-9821
NSN 6685-01-061-9516
NSN 6135-01-522-3386
NSN 5935-01-216-0410
NSN 5960-00-597-2680
NSN 5945-01-409-0879
NSN 5855-01-191-3404
NSN 6320-01-132-2746
NSN 5996-01-473-2183
NSN 6105-00-323-2160