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.
Classification: Butterfly type taps, cocks and valves of iron, hand operated
NSN 5945-00-664-6668
NSN 6135-00-134-6648
NSN 6135-01-388-8376
NSN 5925-01-068-2887
NSN 6105-01-048-4582
NSN 6650-00-738-5418
NSN 6145-00-388-9084
NSN 5935-00-186-9370
NSN 5975-01-213-7884
NSN 5905-01-107-3501
NSN 6620-01-300-9502
NSN 6105-01-238-6673