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 5935-01-443-3372
NSN 6645-00-250-4680
NSN 6320-00-937-5625
NSN 5910-01-362-2886
NSN 5935-01-658-0763
NSN 6150-00-373-1542
NSN 5915-01-569-1406
NSN 5935-00-977-0644
NSN 2925-00-983-7521
NSN 6650-01-422-1037
NSN 5965-00-523-5647
NSN 5975-00-080-4633