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 7035-01-150-6303
NSN 6105-01-327-3174
NSN 6135-00-938-1351
NSN 6105-01-271-9696
NSN 5965-00-942-1602
NSN 6130-01-212-3331
NSN 6320-01-631-7828
NSN 6685-00-203-2389
NSN 6685-00-405-4991
NSN 5930-01-027-8370
NSN 5915-00-678-2158
NSN 5930-00-272-8876