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 6130-00-064-0678
NSN 6610-01-085-6947
NSN 6610-01-083-7579
NSN 6105-00-489-1305
NSN 4140-01-569-3120
NSN 5975-00-582-1460
NSN 5910-01-588-1850
NSN 6685-00-536-4889
NSN 7035-01-449-9138
NSN 5975-01-491-4548
NSN 6645-01-203-7398
NSN 5915-00-735-5195