The MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in an environmentally sealed insert. With an operating temperature range from -65°C to 200°C, they offer reliability in extreme conditions. Available in various mounting styles, including front and rear wall mount, jam nut, and box mount receptacles, these connectors provide versatility for different applications. Compliant with military specification MIL-DTL-38999 II, they ensure durability and performance. The aluminum shells come in different plating options, such as electroless nickel and cadmium finishes. With removable crimp contacts and a bayonet mating system, they offer ease of installation and maintenance. Perfect for applications requiring rugged and reliable connectivity, these connectors are ideal for military and aerospace use.