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 5905-00-063-4159
NSN 5895-00-924-2023
NSN 2925-01-097-0903
NSN 6610-00-023-0076
NSN 5895-01-626-4468
NSN 7035-01-384-9257
NSN 6240-00-527-8614
NSN 6320-00-343-1798
NSN 5905-00-196-2321
NSN 6610-01-592-3329
NSN 6135-01-528-2830
NSN 5930-01-377-2410