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 6645-01-414-8806
NSN 5965-01-605-1753
NSN 6130-01-472-2411
NSN 6620-01-414-4578
NSN 5945-00-343-6631
NSN 5920-01-603-9341
NSN 5855-01-208-1471
NSN 6610-00-456-0485
NSN 6320-01-345-5818
NSN 5855-01-364-8193
NSN 5960-01-300-3506
NSN 6645-00-273-1203