The MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in an environmentally sealed insert. With an operating temperature range of -65 °C to 200 °C, these connectors offer reliable performance in extreme conditions. Available in various mounting options, including front and rear wall mount, jam nut, and box mount receptacles, they cater to diverse installation needs. The connectors, made of aluminum, come in different plating options such as gold, electroless nickel, and cadmium-free finishes. Their durability is underscored by RoHS certification, ensuring compliance with environmental regulations. Suitable for military and industrial applications, these connectors guarantee secure and efficient electrical connections.