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 5950-00-760-7230
NSN 6240-00-855-4518
NSN 5910-01-418-0270
NSN 6145-00-921-4520
NSN 5920-01-371-1479
NSN 6240-00-119-4182
NSN 5996-01-210-0280
NSN 5895-00-488-6248
NSN 6110-01-215-1006
NSN 5999-01-044-5832
NSN 5935-01-435-4129
NSN 5910-01-580-6808