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 6135-01-642-0733
NSN 5990-01-363-3370
NSN 5915-00-145-6181
NSN 5999-01-301-4805
NSN 6145-01-235-3263
NSN 4140-01-043-8556
NSN 5855-01-379-9978
NSN 5910-01-298-5040
NSN 6645-01-447-3143
NSN 5905-01-515-4060
NSN 4140-01-624-6592
NSN 6110-01-298-6847