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 5835-01-375-8930
NSN 6150-01-608-3033
NSN 5855-00-221-9435
NSN 5999-00-281-1021
NSN 6320-00-857-4073
NSN 6685-00-112-7040
NSN 5935-01-097-8074
NSN 5905-01-599-0497
NSN 5975-01-493-6997
NSN 6105-00-307-3690
NSN 6320-01-296-3181
NSN 6130-00-896-3267