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 from -65 °C to 200 °C, these connectors are suitable for demanding applications. Available in various shell sizes and insert arrangements, they offer flexibility for different needs. The connectors come in high-strength aluminum shells with options for plating, including RoHS certified finishes. They are ideal for military and aerospace use, ensuring reliable connectivity in challenging conditions.