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 5915-00-201-7090
NSN 5999-01-576-6401
NSN 5990-01-272-4091
NSN 5895-00-950-4890
NSN 4140-01-429-8545
NSN 6145-01-643-5773
NSN 2925-00-816-8765
NSN 6145-00-496-2020
NSN 6135-01-202-8113
NSN 5960-01-584-9452
NSN 5895-01-133-1468
NSN 5950-01-574-8054