T3165200111-000 is a metal blind plug designed for M20 X 1.5 threaded heavy-duty connectors. Constructed from nickel-plated brass, this component provides reliable sealing and protection for unused connector ports in industrial applications. The plug features a temperature operating range of -40°C to +100°C and offers IP65 protection rating, ensuring durability in harsh environmental conditions. It is commonly used in automation and control systems, rolling stock applications, and other demanding industrial environments where connector ports need to be sealed against moisture and contaminants.