MIL-DTL-38999 Series I connectors feature up to 128 contacts housed in an insert, providing environmental sealing for reliable performance in harsh conditions. Operating within a wide temperature range from -65 °C to 200 °C, these connectors are suited for demanding applications. Available in various mounting options such as front wall, rear wall, and jam nut receptacles, they offer versatility in installation. Compliant with military specification MIL-DTL-38999, these connectors ensure high-quality standards. With a selection of shell sizes and insert arrangements, they accommodate different contact types, including M39029 rear release crimp contacts. Constructed with high-strength aluminum shells and offering plating options like cadmium and nickel, these connectors guarantee durability and corrosion resistance. Suitable for RoHS compliance, they meet environmental standards while providing reliable connectivity in critical environments.