Valve has the body of a gate valve, only with a butterfly disk.
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.
NSN 4140-01-417-2611
NSN 6620-01-539-5189
NSN 5920-01-530-7444
NSN 6110-01-128-0681
NSN 5945-01-434-3732
NSN 5950-00-182-7382
NSN 5999-01-611-3376
NSN 5960-01-457-7432
NSN 6150-01-652-5267
NSN 6645-01-381-0656
NSN 6105-00-202-2469
NSN 5915-00-034-4824