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 5855-01-460-8398
NSN 5905-00-101-5419
NSN 6320-00-593-0379
NSN 5985-01-406-4957
NSN 6650-01-440-9215
NSN 6620-01-141-5747
NSN 5920-01-157-2767
NSN 6645-01-399-3487
NSN 6150-01-595-5853
NSN 6685-01-551-1293
NSN 6685-01-445-2953
NSN 5915-00-809-5254