Abstract: A crash stop for use in a rotary disc file storage system, particularly for use with a rotary-type electromechanical actuator, the crash stop comprising a dual stop mechanism for delimiting the travel of an actuator arm in either of two reciprocal directions, the stop having two symetrically oriented plain levers having separate spaced pivots, the levers each having first segments projecting from the pivot and adjustably spaced on either side of a stop pin fixed on the actuator arm and second segments oppositely projecting from the pivot and interconnected by a spring loaded, adjustment mechanism, whereby movement of the actuator arm is restricted by contact of the stop pin with one of the first lever segments and limited compression of a spring in the adjustment mechanism.