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 5895-01-309-3118
NSN 5925-01-389-4444
NSN 5975-01-100-0320
NSN 5925-00-271-2665
NSN 5950-01-076-7515
NSN 5855-01-274-5311
NSN 5915-01-195-9871
NSN 5965-01-538-8795
NSN 6110-00-758-2051
NSN 6105-00-096-1332
NSN 5915-01-187-8588
NSN 6150-00-306-2020