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 5930-00-972-3350
NSN 5950-01-403-2852
NSN 6685-00-318-7766
NSN 5985-01-594-5972
NSN 5935-01-188-9070
NSN 7035-01-633-9537
NSN 6320-01-039-5891
NSN 5905-00-932-4433
NSN 6645-01-118-2058
NSN 5920-00-974-4381
NSN 6620-01-070-9042
NSN 5960-01-573-6483