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 steel, hand operated
NSN 5985-00-218-1356
NSN 5910-01-500-9300
NSN 6610-00-575-7933
NSN 5996-01-442-8751
NSN 5910-01-431-9072
NSN 6645-00-176-0223
NSN 5905-01-186-2147
NSN 6610-00-014-3429
NSN 7035-01-541-2307
NSN 5945-01-350-8652
NSN 6110-01-474-1908
NSN 2925-01-432-8452