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 5905-00-054-9582
NSN 5996-00-734-5364
NSN 6135-00-274-4037
NSN 5835-01-056-4149
NSN 6650-01-548-9754
NSN 5996-00-618-5920
NSN 5835-01-397-8801
NSN 5990-01-417-4402
NSN 6130-01-330-4875
NSN 6645-01-023-6756
NSN 5990-01-605-9026
NSN 5996-00-542-7081