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 6685-01-391-9546
NSN 2925-01-027-1293
NSN 5950-00-219-6745
NSN 5996-01-223-5896
NSN 6620-00-273-8735
NSN 5975-00-283-6686
NSN 6620-00-658-6588
NSN 5965-01-591-4486
NSN 6130-00-393-0645
NSN 4140-01-144-1450
NSN 6130-01-437-4820
NSN 5915-01-646-6233