MIL-DTL-38999 Series I connectors are rugged and reliable, designed for harsh environments with up to 128 contacts in an insert. These connectors feature front wall mount, rear wall mount, and jam nut receptacles, offering versatile installation options. Operating between -65°C and 200°C, they are environmentally sealed for protection. Utilizing M39029 rear release crimp contacts in various sizes, including coax and twinax, they ensure secure connections. With a variety of plating options available, including RoHS certified finishes, they meet diverse requirements. Constructed with high-strength aluminum shells, these connectors guarantee durability and longevity, making them ideal for military and industrial applications.