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 6645-00-230-4396
NSN 6130-01-195-1731
NSN 6240-01-411-5425
NSN 2925-01-348-8306
NSN 6650-01-600-4843
NSN 5965-01-464-6225
NSN 5835-01-486-4191
NSN 5855-01-136-9532
NSN 5945-01-278-9211
NSN 5935-01-575-6388
NSN 5998-01-577-9489
NSN 5920-01-261-6358