MIL-DTL-38999 Series I connectors offer robust connectivity solutions with up to 128 contacts in an insert, designed for harsh environments. Featuring front wall mount, rear wall mount, and jam nut receptacles, they ensure secure installations. These connectors, compliant with military specification MIL-DTL-38999 I, are crafted from high-strength aluminum shells and boast a wide operating temperature range from -65 °C to 200 °C. With various plating options available, including gold for optimal conductivity and finishes like electroless nickel for durability, they guarantee reliable performance. Suitable for demanding applications, these connectors are ideal for box mounting setups, with removable crimp contacts ensuring easy maintenance. Emphasizing environmental resistance and longevity, they are essential components in critical systems.