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 5945-00-209-5170
NSN 6135-01-391-6515
NSN 6320-01-466-4175
NSN 6320-00-456-0836
NSN 5998-01-094-7523
NSN 6320-01-268-3072
NSN 5975-01-461-9903
NSN 5950-01-605-1386
NSN 5915-00-840-3935
NSN 5920-00-005-3263
NSN 5945-00-755-0066
NSN 5835-00-470-4295