MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring up to 128 contacts within an insert. With front wall mount, rear wall mount, and jam nut receptacles available, they offer versatility in installation. These connectors, compliant with military specification MIL-DTL-38999 I, ensure reliable performance in extreme conditions, with an operating temperature range from -65 °C to 200 °C. Constructed with high-strength aluminum shells and offering various plating options including gold and electroless nickel, they guarantee durability and conductivity. Suitable for applications requiring environmental resistance, these connectors are ideal for use in aerospace, defense, and other rugged industries.