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 5960-01-475-7428
NSN 4140-01-419-0198
NSN 6130-00-245-4302
NSN 5965-01-383-7235
NSN 6320-01-494-7491
NSN 6130-01-435-2242
NSN 6130-00-320-3363
NSN 5965-01-498-8113
NSN 6220-00-194-3827
NSN 5935-00-940-8672
NSN 5965-00-842-9060
NSN 2925-01-161-7440