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 6645-00-607-5226
NSN 6620-01-089-4416
NSN 5895-00-774-7885
NSN 6320-00-242-3300
NSN 5960-01-580-6360
NSN 2925-01-213-6622
NSN 6685-00-155-4301
NSN 6220-01-145-4993
NSN 6220-00-884-0769
NSN 5905-01-522-4281
NSN 5945-01-508-4344
NSN 5975-01-061-3505