Type: Circular Panel-Mount Connector Mounting Style: Flange Mount (4-hole mounting) Shell Material: Metal (likely aluminum alloy with olive drab plating for corrosion resistance) Coupling: Threaded coupling mechanism for a secure connection Left Connector: Female (receptacle) with socket contacts and alignment keys Right Connector: Male (plug) with pin contacts Pin Layout: Mixed — both connectors have a high-density circular contact layout, combining larger power contacts and smaller signal contacts Markings: Markings like `A`, `B`, `C`, `D`, `E`, `F`, and manufacturer name ALLIED (suggests Allied Electronics or similar vendor) Contact Count: ~6 large sockets and multiple smaller ones (on female side), corresponding male pins on the plug Use Case: Can transmit both power and signal in rugged environments