T3394528U is a male cable connector with bayonet locking inside mechanism, part of the Amphenol C 091 B series circular connectors. This 5-contact connector is available with gold plating (T 3394 528) and is designed for cable diameters of 4–6 mm, with a drawing dimension of 50 mm (2.087 inches). The connector features straight soldering iron termination with silver plating or gold plating options, and supports crimp termination for contacts. It is compatible with locking outside female connectors and is commonly used in industrial applications requiring reliable circular connector interfaces in harsh environments, including energy generation, transportation, and factory automation systems.