MIL-DTL-38999 Series I connectors offer high-performance connectivity with up to 128 contacts in an environmentally sealed insert. Designed for harsh environments, these connectors feature front and rear wall mount options, as well as jam nut receptacles with RFI grounding plugs. With a wide operating temperature range from -65 °C to 200 °C, they are suitable for diverse applications. Available in 9 shell sizes and 52 insert arrangements, these connectors use M39029 rear release crimp contacts for reliable connections. Crafted from high strength aluminum, they come in various plating options, including cadmium-free finishes for RoHS compliance. Ideal for military and industrial use, these connectors ensure secure and durable electrical connections.