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, these connectors are suitable for demanding applications. Available in various shell sizes and insert arrangements, they offer versatility in design. The connectors come in high-strength aluminum shells with options for different plating finishes, including RoHS-certified cadmium-free options. Offering reliable connectivity, they are ideal for military and aerospace applications requiring rugged and durable performance.