MIL-DTL-38999 Series II connectors feature environmentally sealed inserts with up to 128 contacts, designed for harsh environments with an operating temperature range of -65 °C to 200 °C. Available in various mounting styles like front and rear wall mount, jam nut, and box mount receptacles, these connectors offer versatility in installation. With options for straight, RFI grounding, and standard plugs, they accommodate different cable orientations. Compliant with military specifications, these circular connectors guarantee reliable performance, with gold-plated removable crimp contacts ensuring optimal conductivity. Built to withstand rugged conditions, they come in aluminum shells with a choice of plating finishes, including RoHS-certified cadmium-free options. Suitable for applications requiring durability and environmental resistance, the MIL-DTL-38999 Series II connectors are ideal for aerospace, defense, and industrial use.