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 5920-01-349-9475
NSN 5915-00-160-3834
NSN 5999-01-387-4924
NSN 2925-00-211-4469
NSN 5985-00-522-5495
NSN 5855-01-284-0589
NSN 5855-00-089-3974
NSN 2925-01-400-2286
NSN 5975-01-643-6553
NSN 5915-01-026-1460
NSN 6620-01-383-1997
NSN 5905-00-951-8897