MIL-DTL-38999 Series I connectors offer reliable connectivity in harsh environments, featuring up to 128 contacts within a durable insert. With front and rear wall mount options, along with jam nut receptacles, they ensure secure installations. These connectors, compliant with military specification MIL-DTL-38999 I, are designed for rugged applications with an operating temperature range of -65 °C to 200 °C. Constructed from high-strength aluminum, they come in various shell sizes and insert arrangements, accommodating different contact sizes. The connectors are available with RoHS-certified finishes, including cadmium-free options, ensuring environmental compliance. Suitable for demanding scenarios, they provide essential electrical connectivity with optimal performance.