This screw goes through the playfield from the top & attaches the pop bumper bracket to the bottom of the playfield.
They are also used to hold ground wires in backboxes & mount speakers in the lower cabinet on some machines.
Screw has a #6-32 thread.
Data East/Sega/Stern #237-5883-00.
Bally/Williams #4506-01103-24.
Bally #M-1786.
