MIL-DTL-38999 Series II connectors boast up to 128 contacts in a single insert, featuring robust environmental sealing for reliable performance in harsh conditions. With a wide operating temperature range from -65 °C to 200 °C, these connectors come in various configurations including front and rear wall mount, jam nut, and box mount receptacles. Available in 9 shell sizes and 52 insert arrangements, they utilize M39029 rear release crimp contacts for secure connections. Constructed with aluminum shells and offering multiple plating options, such as cadmium and nickel, these connectors ensure durability and conductivity. Ideal for military applications, they meet stringent MIL-DTL-38999 II specifications, guaranteeing high performance and reliability in demanding environments.