MIL-DTL-38999 Series I connectors boast up to 128 contacts within their durable inserts, offering reliable performance in harsh environments. These circular receptacles, featuring wall mounting options and bayonet coupling, are designed for military specifications. With a wide range of insert arrangements and shell sizes, they accommodate various applications. The connectors, crafted from high-strength aluminum, come with different plating options, including gold and electroless nickel, ensuring optimal conductivity. Operating in temperatures ranging from -65°C to 200°C, they provide dependable connectivity in extreme conditions. Their rugged construction, along with RoHS compliant finishes, make them ideal for demanding environments.