The 97-3102A-24(621)(0850) is a box receptacle connector from the Amphenol 97 Series standard cylindrical connectors designed for direct chassis or panel mounting with solder contacts. This connector features solid shell construction with an integral polarized key in the front shell and a threaded back shell compatible with standard MS/AN fittings. It operates over a temperature range of -55°C to +125°C and supports multiple insert arrangements with up to 52 circuits available. The connector utilizes non-rotating contacts, single key/keyway polarization, and hard dielectric inserts, providing durable, field-proven performance. It is UL recognized (File E115497) and CSA certified (File LR69183), making it suitable for medium to heavy-weight applications in industrial equipment, aerospace, and telecommunications where reliable electrical connections and mechanical durability are essential.