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 5999-01-482-9511
NSN 5915-01-239-2073
NSN 2925-01-103-1241
NSN 5965-01-205-6249
NSN 5998-00-400-0770
NSN 5855-01-013-6864
NSN 5945-00-576-9375
NSN 5915-01-519-2234
NSN 5965-01-142-8044
NSN 6145-00-130-8078
NSN 5895-01-411-4984
NSN 5915-01-281-8559