MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring up to 128 contacts in an insert for secure connectivity. 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 flexibility in design. The connectors come in high-strength aluminum shells with options for plating, including cadmium-free finishes. Offering reliable performance, they are ideal for military and aerospace applications requiring rugged and environmentally sealed connectivity.