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 5855-01-353-3958
NSN 6130-01-306-1861
NSN 6150-01-647-9042
NSN 5935-00-376-5698
NSN 2925-01-027-1293
NSN 5945-01-545-0933
NSN 5998-00-383-6191
NSN 5905-01-266-9018
NSN 5895-00-276-7916
NSN 2925-01-658-9457
NSN 5965-01-518-4004
NSN 5925-01-260-3739