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 5910-00-432-7050
NSN 6650-00-004-3683
NSN 6320-01-354-6204
NSN 5855-01-100-3272
NSN 5990-01-172-4553
NSN 6105-01-476-5374
NSN 5996-00-126-4786
NSN 5999-00-637-9685
NSN 5950-01-525-7816
NSN 6620-01-654-9436
NSN 5910-01-660-3881
NSN 6105-00-450-2167