97-3102A-16S(621)(0850) is a box receptacle connector from the Amphenol 97 Series standard cylindrical connectors designed for direct chassis, equipment, or panel mounting with open wiring applications. This connector features solid shell construction with an internal polarized key in the front shell, threaded coupling with 1-20 thread specification, and black zinc alloy (621) finish for corrosion resistance. The connector operates reliably across a temperature range of -55°C to +125°C and supports multiple insert arrangements with up to 52 circuits, utilizing solder-type contacts for permanent connections. It is UL recognized (File E115497) and CSA certified (File LR69183), making it suitable for demanding industrial applications including aerospace, military, and heavy equipment installations where robust, field-proven connectivity is essential.