Notch on Wurth Elektronik 687106182122 ZIF Connector (SMT)

When looking at the 687106182122 SMT ZIF Connector from Wurth Elektronik, you may find a notch on the actuator of this connector. What is this notch?

image

This notch is for inlet of plastic material injection. This notch can be on the left or right positions of actuators across the series. Both actuators are qualified to be used, the notch doesn’t impact their performance.