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 6240-00-383-2573
NSN 5975-01-227-9930
NSN 6240-01-032-4624
NSN 5920-01-067-4897
NSN 5996-01-450-1743
NSN 5930-01-241-8505
NSN 6610-01-487-8879
NSN 6650-01-633-9147
NSN 6105-01-456-4488
NSN 5975-01-188-7901
NSN 5998-00-825-2519
NSN 5945-01-654-6829