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 5996-01-502-9101
NSN 6145-00-952-2872
NSN 5930-00-088-7530
NSN 5935-00-529-0241
NSN 5895-01-168-8117
NSN 7035-01-281-3642
NSN 5835-00-351-9459
NSN 6240-00-244-0483
NSN 6220-00-189-6561
NSN 6105-00-200-8074
NSN 5945-00-451-6383
NSN 6240-01-339-9698