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 6135-01-511-1975
NSN 5996-00-285-3727
NSN 5925-01-190-8623
NSN 5910-01-359-3284
NSN 5985-00-449-8520
NSN 2925-00-215-4954
NSN 5999-01-624-4724
NSN 5910-01-108-3766
NSN 5998-00-406-8548
NSN 6240-01-339-2411
NSN 5975-01-061-9320
NSN 5930-00-240-8269