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 5915-01-247-3558
NSN 5920-00-999-7324
NSN 6620-00-292-7000
NSN 6110-01-400-4207
NSN 6145-01-515-9011
NSN 5975-01-481-1529
NSN 6220-00-829-8064
NSN 5996-00-877-9038
NSN 5945-01-376-8800
NSN 5960-00-289-6591
NSN 5895-01-420-5459
NSN 5975-01-392-2211