MIL-DTL-38999 Series I connectors boast up to 128 contacts within a durable insert, designed for harsh environments with an impressive operating temperature range of -65 °C to 200 °C. These rugged connectors, featuring front wall mount, rear wall mount, and jam nut receptacles, ensure reliable performance in demanding applications. Compliant with military specification MIL-DTL-38999 I, they offer exceptional durability and functionality. With 52 insert arrangements and various plating options available, including RoHS-certified finishes, these connectors provide versatility for a wide range of applications. Crafted from high-strength aluminum, they guarantee longevity and robustness. Suitable for use in environments requiring environmental sealing and RFI grounding, these connectors are ideal for military, aerospace, and industrial applications.