The MIL-DTL-38999 Series II connectors offer high-performance connectivity with up to 128 contacts in an environmentally sealed insert. Designed for harsh environments, they can operate in temperatures ranging from -65 °C to 200 °C. Featuring various mounting options such as front and rear wall mount, jam nut, and box mount receptacles, these connectors ensure versatility in installation. With a choice of straight, RFI grounding, and standard plugs, along with multiple shell sizes and insert arrangements, they cater to diverse connectivity needs. The connectors are constructed with durable aluminum shells and are available in a range of plating options, including RoHS certified cadmium-free finishes. With a focus on reliability, they boast a mating life of 500 cycles and provide excellent conductivity for various applications. Whether for military or industrial use, the MIL-DTL-38999 Series II connectors are ideal for ensuring secure and efficient electrical connections in demanding environments.