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 6240-00-945-2246
NSN 6645-00-801-8237
NSN 6320-01-056-1164
NSN 6240-01-602-0625
NSN 6220-01-652-4860
NSN 5990-01-570-5471
NSN 6320-01-495-1244
NSN 6650-00-202-4540
NSN 7035-01-555-8793
NSN 6320-01-539-4789
NSN 5996-00-681-0490
NSN 5895-01-634-0630