MIL-DTL-38999 Series I connectors boast exceptional versatility with up to 128 contacts in an insert, ensuring robust connectivity in harsh environments. Featuring front and rear wall mount options, as well as jam nut receptacles, these connectors are designed for durability. Utilizing M39029 rear release crimp contacts, they offer reliable performance in sizes 22D, 22M, 22, 20, 16, and 8 for coax and twinax applications. With a wide range of shell sizes and insert arrangements, along with various plating options like gold, electroless nickel, and cadmium, these connectors provide flexibility for diverse needs. Constructed with high-strength aluminum shells, they can withstand operating temperatures ranging from -65 °C to 200 °C. Additionally, with RoHS certified cadmium-free finishes available, they prioritize environmental responsibility. Perfect for demanding military and industrial settings, MIL-DTL-38999 Series I connectors ensure secure and efficient electrical connections.