MIL-DTL-38999 Series II connectors feature up to 128 contacts within an insert, designed for harsh environments with an operating temperature range of -65 °C to 200 °C. Available in various configurations like front wall mount, rear wall mount, jam nut, and box mount receptacles, they offer versatility for different applications. The connectors, compliant with military specification MIL-DTL-38999 II, come in aluminum shells with options for plating including cadmium and nickel finishes. With a selection of contact sizes and shell arrangements, they ensure reliable performance in demanding conditions. Suitable for military and aerospace use, these connectors guarantee secure and durable electrical connections, meeting stringent quality standards.