The MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring up to 128 contacts in an environmentally sealed insert. With a wide operating temperature range of -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 connectors, compliant with military specification MIL-DTL-38999 I, are ideal for applications requiring durability and ruggedness, such as aerospace and defense. With front wall mount, rear wall mount, and jam nut receptacles, they ensure secure connections in demanding environments. Suitable for both military and industrial use, these connectors provide reliable conductivity and ingress protection, making them essential components for mission-critical systems.