MIL-DTL-38999 Series I connectors offer robust performance in harsh environments with up to 128 contacts sealed for reliability. Operating between -65°C and 200°C, these connectors come in various mount types, including front and rear wall mount and jam nut receptacles, ensuring versatility in installations. Featuring M39029 rear release crimp contacts, they guarantee secure connections in sizes 22D, 22M, 22, 20, 16, and 8. Crafted from high-strength aluminum with plating options like cadmium and nickel, they meet stringent military specifications. With RoHS-certified finishes available, these connectors provide durable and compliant solutions for aerospace, defense, and industrial applications.