Plug connector part having housing body and housing part which together form housing for receiving plug contact element therein

An electrical plug connector part comprising:

• a housing body having a wall section;
• a housing part having a locking arm including a free end section;
• the housing body and the housing part together form a housing having a channel and a receiving chamber at an end of the channel with the channel and the receiving chamber being bounded by the wall section of the housing body, the housing body and the housing part are situated so as to be movable relative to one another perpendicularly to a plug-in direction and can be stably fixed to one another in a pre-locking position and in an end-locking position;
• a plug contact element having a detent spring, the plug contact element is insertable along the plug-in direction into the channel and from the channel into the receiving chamber;
• wherein in the pre-locking position the free end section of the locking arm forms on the wall section of the housing body a detent protrusion protruding out from the wall section and into the channel and the detent spring of the plug contact element engages the detent protrusion as the plug contact element is inserted from the channel into the receiving chamber;
• and
• in the end-locking position the free end section of the locking arm with the detent protrusion extends further into the channel and the locking arm fixes the plug contact element in the receiving chamber in a form-fit manner by the detent spring of the plug contact element being locked behind the free end section of the locking arm when the plug contact element is inserted into the receiving chamber.