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 6145-01-221-6518
NSN 7035-01-240-4998
NSN 6610-01-659-3277
NSN 6610-01-346-8241
NSN 2925-00-925-0545
NSN 5945-01-011-2066
NSN 5910-00-552-9997
NSN 4140-01-196-5984
NSN 5990-01-021-7303
NSN 5915-01-504-6581
NSN 6150-01-228-0184
NSN 6220-00-918-1099