where to get this wire connector? pin type

Radio shack.......doesn't.

But you CAN get "molex" style connectors a th' Shack, and if you are not concernerned that much about "restoration," that's what I'd do, and did. Solder some pigtail wires to your old connector on the board, install a Molex "inline" and off ya go They are available in all kinds of sizes, conductor count shapes, etc