MIL-DTL-38999 Series I connectors feature up to 128 contacts enclosed in a sealed insert, designed for harsh environments with an operating temperature range from -65 °C to 200 °C. Available in various mounting options including front wall, rear wall, and jam nut receptacles, they ensure secure connections in demanding applications. These connectors, compliant with military specification MIL-DTL-38999 I, utilize M39029 rear release crimp contacts in different sizes. With a range of plating options such as cadmium-free finishes, they offer reliable performance and durability. The high-strength aluminum shells, along with gold-plated removable crimp contacts, guarantee conductivity and longevity, making them ideal for aerospace, defense, and industrial applications.