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 6320-00-036-3688
NSN 5945-00-498-4331
NSN 6650-00-775-6560
NSN 2925-01-238-9974
NSN 6150-01-605-1563
NSN 6650-01-339-7571
NSN 6610-01-406-4985
NSN 6685-00-699-6560
NSN 6610-01-618-7038
NSN 6240-00-624-8440
NSN 5855-01-521-8616
NSN 6320-01-246-4390