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 5910-00-668-3561
NSN 5910-01-088-8204
NSN 5965-01-109-2917
NSN 5920-01-264-8238
NSN 6135-01-045-1504
NSN 5950-00-611-2399
NSN 2925-00-964-7128
NSN 6610-01-034-0798
NSN 7035-01-513-2501
NSN 5945-01-239-2610
NSN 6105-00-984-1012
NSN 6645-00-276-1123