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 6105-00-189-0515
NSN 5935-00-170-6515
NSN 5835-01-399-5820
NSN 5999-01-464-4301
NSN 5965-01-220-0529
NSN 6135-01-066-6904
NSN 6685-01-095-8223
NSN 5895-01-027-1192
NSN 5920-01-254-2267
NSN 6130-00-156-7751
NSN 5855-01-391-3819
NSN 6320-01-176-8367