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 ideal for demanding applications. Available in various shell sizes and insert arrangements, they utilize rear release crimp contacts for secure connections. The connectors come in high strength aluminum shells with options for plating, including cadmium-free finishes. Offering RoHS compliance, they are suitable for military and industrial use, providing reliable performance in rugged conditions.