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 6645-01-622-1830
NSN 5996-01-510-6551
NSN 5960-01-521-0626
NSN 6110-01-171-6238
NSN 6320-00-098-2858
NSN 6645-00-862-2904
NSN 5905-00-942-1290
NSN 6135-01-230-4399
NSN 5996-00-922-6482
NSN 5950-01-633-0212
NSN 6320-01-449-1014
NSN 5985-00-403-8686