Connector Type: Circular, multi-pin connectors Gender: Left: Receptacle (female) – contains socket contacts. Right: Plug (male) – contains pin contacts. Material: Typically made from aluminum alloy with an olive drab (greenish) corrosion-resistant finish (often cadmium-plated). Mounting Style: Both connectors appear to be panel mount with square flanges and four mounting holes. Contact Arrangement: Multi-pin layout; the right plug has many pins, indicating a higher pin count configuration. Locking Mechanism: Usually features **bayonet or threaded coupling** to ensure secure mating.