The MIL-DTL-38999 Series II connectors offer robust connectivity solutions for harsh environments, featuring up to 128 contacts sealed for environmental protection. With an extensive operating temperature range from -65 °C to 200 °C, these connectors are ideal for demanding applications. Available in various mounting options, including front and rear wall mount, jam nut, and box mount receptacles, they provide versatility in installation. Compliant with military specification MIL-DTL-38999 II, these circular connectors ensure reliable performance in rugged conditions. Crafted from aluminum with a choice of plating options, such as electroless nickel, they offer durability and corrosion resistance. The connectors, equipped with gold-plated removable crimp contacts, guarantee efficient signal transmission. With a mating type of bayonet and a service rating of I, they are suitable for critical military and industrial environments requiring secure and high-performance connectivity. Additionally, their RoHS compliant designs cater to environmental regulations.