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 5905-01-377-5273
NSN 5996-01-587-6985
NSN 6110-00-015-7688
NSN 6620-01-423-0833
NSN 6620-01-573-5794
NSN 5945-01-487-6446
NSN 6220-01-108-7280
NSN 5960-01-599-9821
NSN 5985-01-205-6213
NSN 5895-01-277-9328
NSN 6320-00-519-0770
NSN 5999-01-074-4112