The 97-3100A-16(0850) is a wall receptacle connector from Amphenol's 97 Series standard cylindrical connectors designed for medium to heavy-weight applications. This connector features a solid shell construction with an integral polarizing key in the front shell and a machined back shell threaded for standard MS/AN fittings, allowing for inspection or soldering access. The connector operates over a temperature range of -55°C to +125°C and utilizes non-rotating contacts with hard dielectric inserts for reliable performance. With size 16 shell and gray zinc nickel plating (RoHS compliant per suffix 0850), this connector is intermateable and intermountable with existing 97 Series and SAE AS50151 connectors, making it suitable for aerospace, industrial, and military applications requiring durable, field-proven connectivity solutions.