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 5999-00-791-3437
NSN 5950-01-571-6618
NSN 6685-01-658-4451
NSN 6110-01-428-6142
NSN 6110-00-683-5461
NSN 5930-00-659-9998
NSN 6320-01-143-3597
NSN 4140-01-131-1749
NSN 5998-01-608-7903
NSN 6110-01-446-5336
NSN 6130-01-415-2870
NSN 5975-01-380-7621