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 5835-00-163-5111
NSN 5975-01-580-8316
NSN 4140-01-353-5031
NSN 5990-01-374-3877
NSN 5990-00-686-5868
NSN 5996-01-052-6670
NSN 5835-00-174-7763
NSN 5855-00-896-4047
NSN 2925-00-614-1758
NSN 6320-00-511-7331
NSN 6620-00-858-4636
NSN 5895-01-033-2589