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 5855-01-157-5505
NSN 5925-00-752-8292
NSN 5920-01-521-2424
NSN 6130-00-153-3136
NSN 5950-01-415-1817
NSN 5990-01-202-5086
NSN 5996-01-156-7498
NSN 6145-01-553-4422
NSN 6105-01-112-7638
NSN 5915-01-572-3225
NSN 5990-01-335-7948
NSN 6320-01-311-3286