MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring up to 128 contacts in an environmentally sealed insert. With a wide operating temperature range of -65 °C to 200 °C, they offer reliable performance in extreme conditions. Available in various shell sizes and insert arrangements, these connectors come in high-strength aluminum shells with multiple plating options, including RoHS-certified finishes. The connector family includes front and rear wall mount receptacles, as well as jam nut receptacles, all designed for easy installation. Utilizing M39029 rear release crimp contacts, they ensure secure and efficient connectivity. Meeting military specification MIL-DTL-38999 I, these connectors are ideal for applications requiring durability and performance in demanding environments.