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 6685-01-071-7848
NSN 6220-00-021-9040
NSN 5925-00-960-5214
NSN 6620-01-381-6225
NSN 5920-00-930-4063
NSN 5965-01-607-0455
NSN 6145-01-550-5384
NSN 6240-01-573-6388
NSN 6105-00-458-2987
NSN 6620-00-542-1579
NSN 5915-01-190-0084
NSN 5998-01-469-7049