This turn signal switch relates to the 65-66 Era A bodies.. GTO /Chevelle/ Skylark etc.. for COLUMN auto cars..
NOTE.. it has 8 wires not 7 - probably the easy way to verify it.
NOTE; it is not for .. or not known to be for Tilt Column
NOTE: it has the bearing as part of the center housing as shown on this original GM image.
This is a new reproduction switch.. quiet rare in sales needs but when needed.. there is no known alternative.