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 5960-00-615-8001
NSN 6685-01-322-7801
NSN 7035-01-371-0091
NSN 5965-01-111-6031
NSN 5925-00-539-8372
NSN 6220-01-590-7272
NSN 5935-00-723-4511
NSN 6150-01-598-8515
NSN 5915-01-469-9000
NSN 5999-01-515-9037
NSN 5950-01-270-6215
NSN 6130-01-160-9478