MIL-DTL-38999 Series I connectors are designed for demanding environments, featuring up to 128 contacts housed in a rugged insert. These connectors are meticulously sealed to withstand extreme temperatures ranging from -65°C to 200°C. With options for front and rear wall mount as well as jam nut receptacles, they offer versatile installation capabilities. Utilizing M39029 rear release crimp contacts in various sizes, including coax and twinax, they ensure secure and reliable connections. Constructed with high-strength aluminum shells and available in a range of plating options, from cadmium finishes to RoHS-compliant alternatives, these connectors prioritize durability and performance. Suitable for military and industrial applications, they provide excellent conductivity and ingress protection, making them ideal for critical systems in harsh environments.