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 6610-01-362-8686
NSN 5999-01-608-7492
NSN 5996-00-321-5418
NSN 7035-00-890-7649
NSN 6685-00-103-9589
NSN 5945-01-039-7370
NSN 5855-01-364-9810
NSN 5945-01-592-2115
NSN 6150-01-416-1751
NSN 5925-01-225-6809
NSN 5855-01-263-7669
NSN 6105-00-224-4780