MIL-DTL-38999 Series II connectors are designed for harsh environments with up to 128 contacts and environmental sealing. Operating between -65 °C and 200 °C, they offer reliability in extreme conditions. Featuring various mounting options and 52 insert arrangements, these connectors accommodate diverse applications. Made of aluminum, they come in different plating options, including cadmium-free finishes. With gold-plated contacts and a bayonet coupling, they ensure secure and durable connections. Suitable for military and industrial use, these connectors meet stringent performance standards.