The 97-3057-1012(676) is an Amphenol 97 Series standard cylindrical connector designed for medium to heavy-weight applications with solder contacts. This connector features a threaded coupling mechanism with hard dielectric inserts, single key/keyway polarization, and non-rotating contacts, supporting shell sizes 20 and 22 with a maximum cable outer diameter of 3/4 inch (19.05 mm). The connector operates reliably across a wide temperature range from -55°C to +125°C and is UL recognized (File E115497) and CSA certified (File LR69183), ensuring compliance with international standards. It is intermateable and intermountable with existing 97 Series and SAE AS50151 connectors, making it ideal for field-proven applications requiring durable, cost-effective interconnection solutions in industrial equipment, aerospace systems, and other demanding environments.