MIL-DTL-38999 Series I connectors offer robust performance in harsh environments with up to 128 contacts in an insert. Featuring front and rear wall mount options, as well as jam nut receptacles, these connectors are designed for secure installations. With a wide operating temperature range from -65 °C to 200 °C, they ensure reliability in extreme conditions. Utilizing M39029 rear release crimp contacts, they guarantee efficient connectivity in sizes 22D, 22M, 22, 20, 16, and 8, including coax and twinax configurations. Constructed with high-strength aluminum shells and available in various plating options such as electroless nickel and cadmium finishes, they offer durability and corrosion resistance. Meeting MIL-DTL-38999 I military specifications, these connectors are ideal for demanding applications requiring rugged and reliable performance.