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 5895-01-069-6874
NSN 6645-01-322-8431
NSN 5895-01-531-1541
NSN 6320-01-492-1976
NSN 5905-00-855-4459
NSN 6145-00-920-4700
NSN 5935-01-438-9830
NSN 6150-01-006-5730
NSN 6130-01-478-5872
NSN 2925-01-125-2973
NSN 5985-01-218-5643
NSN 6685-01-444-0974