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 6645-01-416-9895
NSN 5996-00-961-8823
NSN 5915-01-465-1533
NSN 5855-01-103-8650
NSN 5990-01-630-0456
NSN 6645-01-261-0056
NSN 5975-01-509-0714
NSN 6135-00-932-3136
NSN 5960-00-657-7823
NSN 5915-00-167-4877
NSN 6105-01-415-1422
NSN 5965-01-037-6807