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 6105-01-203-8909
NSN 5990-00-357-8103
NSN 6135-00-866-2311
NSN 4140-01-215-1125
NSN 6620-00-048-6944
NSN 5945-00-529-6058
NSN 6150-01-442-8613
NSN 5905-01-546-1723
NSN 6145-00-145-3484
NSN 6130-00-228-3390
NSN 6150-00-834-4196
NSN 6145-00-130-8078