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 5835-01-408-6529
NSN 6130-01-367-9681
NSN 6620-01-052-2773
NSN 5905-01-139-5138
NSN 5965-01-463-2815
NSN 5960-01-373-5313
NSN 5895-00-532-2376
NSN 6145-00-445-7839
NSN 6240-00-698-5822
NSN 4140-01-455-8348
NSN 5935-01-370-7955
NSN 5996-01-654-6729