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 2925-00-580-4931
NSN 5915-01-219-9088
NSN 5998-01-569-8522
NSN 5905-00-969-6459
NSN 6645-00-947-0625
NSN 5935-01-362-4168
NSN 6145-01-026-0030
NSN 5920-00-407-7652
NSN 6105-01-502-7659
NSN 6240-01-278-5342
NSN 6135-00-542-6728
NSN 5999-01-118-9799