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 6240-00-676-5813
NSN 6320-01-173-7950
NSN 5930-01-275-2878
NSN 5835-00-759-1109
NSN 5996-01-468-8252
NSN 5945-01-385-4491
NSN 5915-00-243-2030
NSN 5950-00-251-6687
NSN 6150-01-315-1487
NSN 5905-01-135-4339
NSN 5935-01-134-6257
NSN 5950-00-905-6887