MIL-DTL-38999 Series I connectors feature up to 128 contacts in an environmentally sealed insert, designed for rugged applications with an operating temperature range of -65 °C to 200 °C. Available in various mounting options including front and rear wall mount as well as jam nut receptacles, they offer reliable connectivity in harsh environments. These connectors, compliant with military specification MIL-DTL-38999 I, utilize M39029 rear release crimp contacts and come in high-strength aluminum shells with a selection of plating options including cadmium and nickel. With RoHS certified finishes available, they provide a durable and versatile solution for demanding electrical connections.