MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring up to 128 contacts in a durable aluminum shell. With a wide operating temperature range of -65°C to 200°C, they offer reliable performance in extreme conditions. Available in various shell sizes and insert arrangements, these connectors come with M39029 rear release crimp contacts for secure connections. They are environmentally sealed and offer RoHS-certified cadmium-free plating options. The wall-mounting flange receptacles and plugs, with bayonet coupling, ensure easy installation. Ideal for military and industrial applications, these connectors guarantee conductivity and ingress protection for optimal performance.