The MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in an insert. With environmental sealing and a wide operating temperature range of -65°C to 200°C, they ensure reliable performance in extreme conditions. Available in various configurations such as front and rear wall mount, jam nut, and box mount receptacles, these connectors offer versatility for different applications. Compliant with military specifications, they guarantee durability and quality. The aluminum shells come with plating options including cadmium and electroless nickel, with RoHS certified finishes available. Perfect for demanding environments, these connectors provide secure and efficient electrical connections.