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 2925-00-720-3948
NSN 5985-01-419-5012
NSN 6135-01-142-6456
NSN 6110-00-564-2935
NSN 6145-01-544-9390
NSN 6145-00-099-8986
NSN 6610-01-440-9913
NSN 5965-00-905-6895
NSN 5930-01-144-9424
NSN 5920-01-141-1741
NSN 5925-00-960-5214
NSN 5910-01-378-6721