Ref. Williams Part No.: 23-6300 Ref. Bally Part No.: R-243 Ref. Midway Part No.: 0017-00041-0637, 17-41-637 Ref. Chicago Coin Part No.: 6060 Ref. Gottlieb Part No.: 10217 Ref. Stern Electronics Part No.: 7A-120-031 Ref. Data East, Sega, Stern Part No.: 545-5025-02