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 6650-01-187-9781
NSN 7035-01-592-4732
NSN 6620-01-210-5583
NSN 5905-00-060-7974
NSN 5960-01-544-1273
NSN 6620-01-326-6379
NSN 5999-01-342-7306
NSN 5960-00-446-5040
NSN 5950-00-249-9146
NSN 4140-01-394-5655
NSN 5905-01-509-9136
NSN 5945-01-246-6737