MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring up to 128 contacts in an environmentally sealed insert. With an operating temperature range from -65 °C to 200 °C, these connectors are versatile and durable. Available in various shell sizes and insert arrangements, they offer flexibility in design. The connectors come in high-strength aluminum shells with options for different plating finishes, including RoHS-certified cadmium-free coatings. Suitable for military and industrial applications, these connectors ensure reliable performance in demanding conditions.