MIL-DTL-38999 Series I connectors are designed for rugged environments, featuring up to 128 contacts in an insert with environmental sealing. Operating in temperatures ranging from -65°C to 200°C, they offer durability and reliability. Available in various shell sizes and insert arrangements, including rear release crimp contacts, they provide flexibility for different applications. With options for plating like gold and finishes such as electroless nickel, these connectors ensure high conductivity and protection against corrosion. The connector family includes front wall mount, rear wall mount, and jam nut receptacles, catering to diverse mounting needs. Made of high-strength aluminum, they meet MIL-DTL-38999 I military specifications for superior performance in demanding conditions.