MIL-DTL-38999 Series I connectors are designed for demanding environments, featuring up to 128 contacts in a sealed insert. With operating temperatures ranging from -65 °C to 200 °C, they offer reliable performance in extreme conditions. Available in various shell sizes and insert arrangements, these connectors come in high-strength aluminum shells with options for plating, including cadmium-free finishes. The connector family includes front and rear wall mount receptacles, as well as jam nut receptacles and RFI grounding plugs, all meeting military specifications. Utilizing M39029 rear release crimp contacts, they ensure secure connections with options for gold plating. Suitable for diverse applications, these connectors provide durability, conductivity, and environmental resistance, making them ideal for critical connectivity needs.