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 6150-00-834-0537
NSN 6105-01-595-5923
NSN 5985-01-037-3514
NSN 5998-01-122-3609
NSN 6645-01-361-8947
NSN 5960-01-399-4327
NSN 6135-00-416-2898
NSN 7035-01-592-2562
NSN 5945-00-446-6570
NSN 2925-00-010-9609
NSN 5930-01-367-1857
NSN 5895-01-512-1695