The Amphenol 97 series connectors are durable and cost-effective connectors designed to meet SAE-AS50151 (MIL-DTL-5015) standards. They are available in various shell styles, sizes, contact configurations, and layouts. The contacts are silver-plated and include pre-tinned solder cups, making them suitable for reliable soldering. These connectors are ideal for industrial applications such as robotics, machine tools, and welding equipment. The specific part number provided is MS3102A2821PRES, which corresponds to a connector within this series.