Bally electromechanical pinball machine leaf switch for score and step units.
Reference:
ASW-M-200-1
Select manufacturer to view game compatibility

Leaf switch Bally saucer
Leaf switch Bally score counter
Leaf switch Bally score counter

Drive pawl nylon

Rocker arm nylon Bally
Ratchet cam nylon Bally

Plunger - no link, EM counter unit