MIL-DTL-38999 Series I connectors offer robust performance in harsh environments, featuring up to 128 contacts housed in a secure insert. These circular connectors, compliant with military specification MIL-DTL-38999 I, are designed for demanding applications with an operating temperature range from -65°C to 200°C. Available in various configurations including front and rear wall mount receptacles, as well as jam nut receptacles, they ensure reliable connectivity. Constructed with high-strength aluminum shells and offering a choice of plating options such as electroless nickel and cadmium finishes, these connectors provide durability and corrosion resistance. With RoHS compliant variants, they meet international standards for environmental responsibility. Suitable for military, aerospace, and other rugged environments, MIL-DTL-38999 I connectors deliver superior performance in critical applications.