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 6150-01-449-1841
NSN 5915-00-703-3001
NSN 6220-01-336-4960
NSN 5996-00-247-3808
NSN 5999-00-215-4048
NSN 6320-01-498-4954
NSN 5998-00-141-9872
NSN 6135-00-546-6273
NSN 6135-00-900-2139
NSN 5895-01-026-3963
NSN 5996-00-971-2283
NSN 5960-01-318-6557