The MIL-DTL-38999 Series II connectors are designed for rugged environments, featuring up to 128 contacts in an environmentally sealed insert. With an impressive 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, crafted from durable aluminum, boast RoHS compliant finishes such as electroless nickel and cadmium olive drab, ensuring both performance and environmental responsibility. With gold-plated removable crimp contacts and a bayonet mating system, these connectors guarantee secure and efficient electrical connections, making them ideal for military and industrial applications requiring high reliability.