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 5835-00-269-2232
NSN 5975-01-519-8899
NSN 5999-00-626-0271
NSN 5930-01-625-3783
NSN 5950-01-659-8007
NSN 4140-00-729-6852
NSN 5910-00-418-4425
NSN 6610-00-099-4096
NSN 6220-01-546-6371
NSN 5930-01-288-0727
NSN 6320-01-145-9013
NSN 6240-01-272-4632