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 5835-01-321-7895
NSN 5895-00-936-3524
NSN 5998-01-265-0070
NSN 5855-00-949-8143
NSN 7035-01-442-5737
NSN 6145-00-027-9852
NSN 6135-00-305-2052
NSN 5915-01-302-6919
NSN 6105-00-935-2700
NSN 5895-00-952-3490
NSN 5965-01-296-8991
NSN 6685-01-576-9843