MIL-DTL-38999 Series I connectors, known for their durability in harsh environments, boast up to 128 contacts sealed within high-strength aluminum shells. With a wide operating temperature range of -65°C to 200°C, these connectors are suitable for demanding applications. Available in various shell sizes and insert arrangements, they feature M39029 rear release crimp contacts and offer multiple plating options including cadmium-free finishes. The connector family includes front wall mount, rear wall mount, and jam nut receptacles, all designed for reliable performance in military and industrial settings. Meeting MIL-DTL-38999 I specifications, these circular receptacles ensure secure and efficient electrical connections, making them essential components for rugged applications.