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 2925-01-430-4206
NSN 5910-01-313-2456
NSN 5990-01-128-3758
NSN 6110-00-987-3675
NSN 5835-00-583-1316
NSN 5920-00-142-9993
NSN 6620-01-462-5196
NSN 6110-00-369-1429
NSN 6110-01-489-5482
NSN 5895-01-463-9041
NSN 4140-01-653-0130
NSN 5925-01-586-6554