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 6685-00-886-4105
NSN 6240-01-103-9554
NSN 6240-00-204-0459
NSN 6685-00-726-0199
NSN 5835-01-535-0948
NSN 5965-01-422-3232
NSN 6150-01-605-8385
NSN 6145-00-315-8934
NSN 6620-00-886-4814
NSN 5935-00-076-1900
NSN 5999-00-955-4138
NSN 5915-01-162-9199