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 5905-01-259-7356
NSN 5910-01-556-8008
NSN 6645-01-383-7362
NSN 5950-01-422-6554
NSN 6220-01-360-9659
NSN 6110-01-437-8559
NSN 6610-00-835-0248
NSN 5975-00-973-2938
NSN 5975-01-579-2682
NSN 6130-00-900-8134
NSN 2925-01-463-8856
NSN 5910-00-816-8898