The MIL-DTL-38999 Series I connectors offer a rugged solution for harsh environments, featuring up to 128 contacts in an insert. Designed for durability, they are environmentally sealed and have an operating temperature range of -65 °C to 200 °C. Available in various configurations, including front wall mount, rear wall mount, and jam nut receptacles, these connectors meet military specifications for reliability. With RoHS-certified finishes and options for plating, such as gold and electroless nickel, they ensure optimal conductivity. The high-strength aluminum shells provide robust protection, making them suitable for a wide range of applications where durability is essential.