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 5945-01-641-2789
NSN 5855-01-479-8598
NSN 6135-01-307-2749
NSN 5895-01-443-8592
NSN 6110-01-400-4207
NSN 6135-00-284-1406
NSN 5999-01-545-7739
NSN 5855-00-908-9314
NSN 6135-00-782-6988
NSN 5960-01-089-5452
NSN 5975-00-316-2539
NSN 6650-01-220-3842