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 5950-01-467-6869
NSN 6685-01-037-5186
NSN 6645-01-505-5772
NSN 5835-01-197-9880
NSN 2925-00-497-7808
NSN 2925-01-280-1911
NSN 5920-00-109-2062
NSN 5915-01-451-1810
NSN 5975-00-333-6305
NSN 6610-01-462-7154
NSN 6130-01-605-1266
NSN 5999-01-430-4997