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 6620-01-383-6494
NSN 6685-01-495-4385
NSN 5998-00-171-9914
NSN 5855-01-010-4921
NSN 6145-00-918-9494
NSN 5998-01-514-7449
NSN 6320-01-454-1965
NSN 5920-01-262-5094
NSN 6650-01-316-6419
NSN 5999-00-573-9477
NSN 5835-01-057-5827
NSN 5945-00-477-3055