The MIL-DTL-38999 Series II connectors are designed for rugged environments, featuring up to 128 contacts sealed for protection. With an impressive operating temperature range of -65 °C to 200 °C, these connectors offer reliability in extreme conditions. Available in various configurations like front and rear wall mounts, jam nut, and box mounts, they cater to diverse installation needs. The connectors, compliant with military specification MIL-DTL-38999 II, boast gold-plated contacts for optimal conductivity and durability. Crafted from aluminum with different plating options including electroless nickel and cadmium finishes, they ensure corrosion resistance. These connectors, with a service rating of M and environmental protection, are ideal for demanding applications in aerospace, defense, and industrial sectors.