MIL-DTL-38999 Series II connectors feature up to 128 contacts in an environmentally sealed insert, designed for harsh environments with an operating temperature range of -65 °C to 200 °C. Available in various configurations, including front and rear wall mount, jam nut, and box mount receptacles, these connectors offer versatility for different applications. With options for straight, RFI grounding, and 90-degree cable clamp plugs, they are suited for a wide range of installations. Utilizing M39029 rear release crimp contacts in various sizes, these connectors ensure reliable connections in demanding conditions. Made of aluminum with plating options such as cadmium and electroless nickel, they provide durability and corrosion resistance. RoHS compliant finishes are also available for environmentally conscious applications, making these connectors a reliable choice for aerospace, defense, and industrial systems.