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 6220-01-427-2333
NSN 6130-01-052-2937
NSN 6320-01-366-5157
NSN 5925-00-515-2438
NSN 4140-01-061-2431
NSN 5920-00-705-2916
NSN 5930-00-180-2654
NSN 6645-01-454-4187
NSN 5895-00-144-0250
NSN 5935-00-949-3481
NSN 6110-01-044-4978
NSN 5855-00-925-0114