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, these connectors offer reliability in extreme conditions. Available in various mounting styles such as front and rear wall mount, jam nut, and box mount receptacles, they provide flexibility for different applications. Utilizing M39029 rear release crimp contacts, these connectors ensure secure connections. Constructed with aluminum shells and offering options for plating finishes including cadmium and nickel, they meet stringent military specifications. With a focus on durability and performance, these connectors are ideal for aerospace, defense, and industrial applications.