The 97-3106A-28-16S is a general-duty, MIL-5015 style circular connector from the Amphenol 97 Series. This connector features a size 28 straight plug shell with a solid backshell and threaded coupling. It is configured with the 28-16 insert arrangement, which provides 20 size 16 socket contacts designed for solder termination. The shell is made from high-grade aluminum alloy, and the contacts are silver-plated with pre-tinned solder cups. This durable, field-proven connector is widely used in applications such as factory automation, robotics, machine tools, and welding equipment, offering a cost-effective solution for general-duty interconnections.