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 7035-01-443-3052
NSN 5999-01-473-1231
NSN 6135-01-594-9930
NSN 5998-00-928-3684
NSN 5915-01-546-2365
NSN 6320-00-636-0922
NSN 5945-00-203-4514
NSN 5910-01-570-2178
NSN 6645-00-226-2270
NSN 6145-00-530-8427
NSN 6110-01-466-7539
NSN 6620-01-583-2779