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 6645-01-123-9277
NSN 5990-01-341-5735
NSN 6105-01-071-7670
NSN 5930-00-316-3689
NSN 6610-01-266-8691
NSN 6610-00-452-9269
NSN 5996-00-888-1180
NSN 6320-01-422-1212
NSN 6320-01-514-6141
NSN 6685-01-614-6634
NSN 5945-01-605-3053
NSN 5930-01-281-0646