The 97-3101A-16(621)(0850) is a cable receptacle connector from the Amphenol 97 Series standard cylindrical connectors. It features solid shell construction with an integral polarizing key in the front shell and a machined back shell threaded for standard MS/AN fittings that can be unscrewed for inspection or soldering. The connector operates over a temperature range of -55°C to +125°C and utilizes non-rotating solder contacts with single key/keyway polarization for reliable mating. With 16-pin capacity and black zinc alloy plating (621), this connector is designed for medium to heavy weight applications and is intermateable with existing 97 Series and SAE AS50151 connectors. It is UL recognized (File E115497) and CSA certified (File LR69183), making it suitable for demanding industrial and aerospace applications requiring durable, field-proven connectivity solutions.