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 6135-00-170-8819
NSN 5999-00-705-6005
NSN 5996-01-575-5349
NSN 6610-00-146-3499
NSN 5975-00-052-4591
NSN 5925-01-632-9612
NSN 5855-01-393-2455
NSN 6240-00-594-7138
NSN 5920-00-604-3387
NSN 6320-01-134-7267
NSN 2925-01-146-0278
NSN 6110-01-386-3093