The MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in an insert. With a wide operating temperature range of -65 °C to 200 °C, they provide reliable performance in extreme conditions. These connectors come in various configurations including front wall mount, rear wall mount, jam nut, rear box mount, and front box mount receptacles, offering versatility in installation. The plugs, available in straight, RFI grounding, and standard options, ensure secure connections with a 90-degree cable clamp. Constructed with aluminum shells and offering multiple plating options, such as electroless nickel and cadmium finishes, they meet stringent military specifications. These connectors are ideal for applications requiring durability and environmental sealing, with RoHS compliant cadmium-free finishes available.