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 7035-01-065-8703
NSN 5835-01-274-1035
NSN 5960-01-226-0342
NSN 5975-01-123-9111
NSN 6145-01-553-0589
NSN 5945-00-446-2867
NSN 5960-01-369-3628
NSN 6220-01-184-1851
NSN 5920-01-198-2222
NSN 6145-01-632-5281
NSN 6220-00-951-6900
NSN 6620-01-521-9710