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 6110-00-918-8768
NSN 5965-01-440-5618
NSN 5930-01-023-2160
NSN 6620-01-535-1004
NSN 6685-01-380-6838
NSN 6240-00-753-2031
NSN 5925-00-715-2001
NSN 5905-01-557-2981
NSN 5965-01-068-6696
NSN 6320-01-498-4954
NSN 5910-01-267-4586
NSN 5999-01-191-5701