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 6135-01-471-7325
NSN 6135-00-686-4777
NSN 6240-00-292-3237
NSN 5999-01-062-2109
NSN 5925-00-249-1287
NSN 6110-00-900-3970
NSN 5950-01-548-0368
NSN 5996-00-679-3037
NSN 6620-01-510-3501
NSN 5960-01-536-9763
NSN 6685-01-383-7499
NSN 5835-01-216-7289