The 0526-008-0090 is a retaining bolt designed for the AEC series 40-way connector assembly. This component is part of the connector accessories lineup from TE Connectivity / Deutsch Automotive and serves as a critical fastening element in the AEC connector system. The bolt is used to secure and maintain the integrity of the 40-way connector housing during assembly and operation. It is commonly employed in industrial and commercial transportation applications where reliable electrical connections and mechanical stability are essential. The retaining bolt ensures proper alignment and retention of connector components in demanding automotive and industrial environments.