A plug connector housing has a socket housing and a screw attachment. The socket housing has an outer surface of circular cross section with an encircling first groove formed therein. The screw attachment has an inner surface of circular cross section with an encircling second groove formed therein. The plug connector housing furthermore has a circlip which is arranged with its inner circumference in the first groove and with its outer circumference in the second groove in order to hold the screw attachment rotatably on the socket housing.