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 5996-01-341-9130
NSN 6610-00-195-7517
NSN 5965-01-492-9344
NSN 6650-00-537-9222
NSN 6645-00-079-1430
NSN 5975-01-170-4131
NSN 5960-01-181-2143
NSN 5998-01-581-0512
NSN 5960-01-174-6975
NSN 6110-01-462-0770
NSN 5905-00-821-2211
NSN 5999-01-317-3192