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 6685-00-049-6669
NSN 6320-01-573-6490
NSN 6145-01-480-8029
NSN 6150-00-330-3629
NSN 6110-01-369-0882
NSN 6150-01-317-8534
NSN 6650-01-655-7813
NSN 6645-00-399-1862
NSN 6320-01-232-4664
NSN 5965-01-596-8645
NSN 5895-00-935-4967
NSN 5930-00-531-6219