MIL-DTL-38999 Series II connectors feature up to 128 contacts, enclosed in an environmentally sealed insert. Designed for harsh environments, they offer a wide operating temperature range from -65 °C to 200 °C. Available in various configurations such as front and rear wall mount, jam nut, and box mount receptacles, these connectors ensure reliable performance. With options for straight, RFI grounding, and standard plugs, they cater to diverse connectivity needs. Compliant with military specification MIL-DTL-38999 II, these circular connectors guarantee durability and quality. Crafted from aluminum with plating choices including cadmium and nickel, they provide excellent conductivity and protection. Suitable for demanding applications, these connectors offer a service rating of I, with 500 mating cycles and RoHS compliance options available.