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 6645-00-908-0140
NSN 6620-01-345-1336
NSN 5935-01-656-3518
NSN 5960-00-201-5265
NSN 5930-01-286-1507
NSN 5930-01-059-0930
NSN 5910-00-606-8768
NSN 5835-01-258-5597
NSN 5915-00-514-2098
NSN 5960-00-011-3024
NSN 6220-01-273-3896
NSN 5998-01-273-1252