The MIL-DTL-38999 Series II connectors, designed for harsh environments, feature up to 128 contacts in an insert, offering versatility for various applications. With environmental sealing and a wide operating temperature range from -65°C to 200°C, they ensure reliable performance in challenging conditions. Available in multiple configurations including front and rear wall mount, jam nut, and box mount receptacles, these connectors meet MIL-DTL-38999 II specifications. Constructed with aluminum shells and offering a choice of plating options such as cadmium and nickel, they provide durability and corrosion resistance. Utilizing M39029 rear release crimp contacts, these connectors come in 9 shell sizes and 52 insert arrangements, accommodating different contact sizes. With features like bayonet coupling and removable crimp contacts, they offer ease of use and maintenance. Suitable for military and industrial applications, these connectors are essential for ensuring secure and efficient electrical connections in demanding environments.