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 5965-01-629-0975
NSN 6130-01-149-2274
NSN 5855-00-832-9341
NSN 6620-01-158-5111
NSN 6240-01-457-0926
NSN 5996-01-379-7978
NSN 5915-01-394-5150
NSN 5930-00-400-6126
NSN 6135-01-579-8864
NSN 5960-01-023-5735
NSN 7035-01-106-0366
NSN 6650-01-628-2743