The 8-1393118-2 is an AMP 38999 III Series Circular Connector manufactured by TE Connectivity. This connector is made with a black anodized aluminum shell and a composite face, making it highly resistant to corrosion. It features a bayonet locking mechanism and an external thread, making it suitable for use in harsh environments. It has 18 contacts, split into three rows, with 6 contacts per row. The contact termination is solder, and features a retention clip design to ensure secure connections. This connector can be used in aerospace, military, and other industrial applications.