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 5920-01-066-3709
NSN 5945-00-915-1595
NSN 6220-01-072-7575
NSN 6645-01-633-1852
NSN 5965-01-399-8454
NSN 4140-00-632-1332
NSN 5990-00-711-1739
NSN 6610-01-266-3447
NSN 6150-01-055-6068
NSN 5945-01-420-2233
NSN 5999-01-422-7913
NSN 5905-00-801-3489