New Old Stock (NOS) Coil Stop.
Same part as used in Stern Electronics - they bought out Chicago Coin!
Mark (funwithpinball) wrote: 130-2516 is shown as the coil stop on the 0-9 unit, Replay unit, Ball Kicker, Flipper, Thumper Bumper in the '64 catalog. Also shown as the coil stop on all of the step units and ball ejector in the '66 catalog. It's always paired with a solenoid starting with J or H. - (thanks Mark!)