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 6320-01-631-7828
NSN 6650-01-141-5999
NSN 6220-00-782-0196
NSN 5945-01-370-4784
NSN 5965-00-752-5823
NSN 5965-00-560-5804
NSN 6610-00-787-2674
NSN 2925-01-457-2202
NSN 5895-01-293-8514
NSN 5998-01-451-5669
NSN 5996-01-477-6709
NSN 5990-01-131-9055