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 2925-00-261-5800
NSN 6220-00-029-9128
NSN 2925-01-609-8464
NSN 7035-01-182-1086
NSN 6685-01-581-8294
NSN 5935-00-983-8608
NSN 5975-00-930-9276
NSN 6685-01-303-5159
NSN 6610-01-599-4462
NSN 5998-00-719-7610
NSN 4140-01-391-5839
NSN 7035-01-325-0536