MIL-DTL-38999 Series I connectors offer high-performance connectivity with up to 128 contacts, designed for harsh environments. Featuring front and rear wall mount options, as well as jam nut receptacles, these connectors are versatile in their applications. They meet military specifications for durability, with a wide operating temperature range from -65 °C to 200 °C. Utilizing M39029 rear release crimp contacts, they ensure secure and reliable connections. Available in various shell sizes and insert arrangements, with plating options including gold, electroless nickel, and cadmium finishes. These connectors are essential for demanding environments where reliability is critical.