The MIL-DTL-38999 Series I connectors feature up to 128 contacts in an environmentally sealed insert, designed for harsh environments 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, these connectors ensure secure connections. Utilizing M39029 rear release crimp contacts, they offer reliability in sizes 22D, 22M, 22, 20, 16, and 8, including coax and twinax configurations. With high-strength aluminum shells and a choice of plating options such as cadmium and nickel, they meet diverse industrial needs. RoHS compliant finishes are also available, catering to environmental regulations. Ideal for military and industrial applications, the MIL-DTL-38999 Series I connectors provide durable and efficient connectivity in demanding settings.