The MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 gold-plated contacts in a rugged aluminum shell. With a wide operating temperature range of -65°C to 175°C, these circular receptacles ensure reliable performance in extreme conditions. Available in various mounting styles, including wall mount and box mount, they offer versatility for different applications. Meeting military specification MIL-DTL-38999 II, these connectors provide secure and durable connections, with removable crimp contacts for easy maintenance. They are environmentally sealed and offer multiple finish coatings, including electroless nickel and cadmium olive drab, ensuring protection against corrosion. Suitable for demanding industries such as aerospace and defense, these connectors guarantee conductivity and ingress protection for critical operations.