MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring up to 128 contacts in an environmentally sealed insert. With a wide operating temperature range of -65 °C to 200 °C, these connectors offer reliable performance in extreme conditions. Available in various shell sizes and insert arrangements, they come in high strength aluminum shells with plating options including cadmium and nickel. Specifically, the rear wall mount receptacles in this series are ideal for back panel installations, with a durable construction and gold-plated removable crimp contacts for secure connections. Meeting military specification MIL-DTL-38999 I, these connectors ensure robust and dependable connectivity for demanding applications.