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 5998-01-047-7446
NSN 5990-01-527-7640
NSN 6110-01-285-3902
NSN 6645-01-191-5081
NSN 5950-01-487-3006
NSN 6685-00-133-2288
NSN 5910-00-577-0040
NSN 5920-01-168-7810
NSN 5925-01-357-4268
NSN 5835-01-067-9271
NSN 5905-00-185-9944
NSN 5950-00-850-4724