MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in an insert. With an operating temperature range of -65°C to 200°C, these connectors provide reliable performance in extreme conditions. Available in various mounting options such as front wall mount, rear wall mount, jam nut, and box mount, they offer flexibility in installation. The connectors come in 9 shell sizes and 52 insert arrangements, accommodating different contact sizes. Constructed with aluminum shells and offering plating options like cadmium and nickel, they ensure durability and corrosion resistance. Certified for RoHS compliance, these connectors meet stringent environmental standards. Perfect for military and industrial applications, they guarantee secure and efficient electrical connections.