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 6610-00-421-9853
NSN 5835-01-370-4292
NSN 6110-01-303-5837
NSN 2925-01-459-8093
NSN 5945-01-497-5516
NSN 6110-01-203-7760
NSN 6240-00-672-2759
NSN 5895-01-541-6326
NSN 6110-01-644-1370
NSN 6145-01-331-6365
NSN 5835-01-535-0948
NSN 6320-01-631-7828