MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in an insert with environmental sealing. Operating between -65 °C and 200 °C, they offer durability in extreme conditions. Available in various configurations such as front and rear wall mount, jam nut, and box mount receptacles, these connectors ensure versatile connectivity. With options for straight, RFI grounding, and standard plugs, they accommodate different installation needs. The connectors, compliant with military specification MIL-DTL-38999 II, are constructed with aluminum shells and offer multiple plating options, including cadmium-free finishes for RoHS compliance. Ideal for applications requiring reliable and rugged electrical connections, these connectors guarantee performance in demanding environments.