The MIL-DTL-38999 Series II connectors are designed for harsh environments, with up to 128 contacts housed in an environmentally sealed insert. Operating smoothly in temperatures ranging from -65°C to 200°C, these connectors offer reliability in extreme conditions. Available in various mounting styles including front and rear wall mount, jam nut, and box mount receptacles, they provide versatility for different applications. With options for straight, RFI grounding, and standard plugs, as well as a variety of shell sizes and insert arrangements, these connectors offer flexibility in design. Featuring aluminum shells with plating options such as cadmium and nickel, they ensure durability and performance. The connectors are RoHS compliant, meeting environmental standards. Perfect for military, aerospace, and industrial use, the MIL-DTL-38999 Series II connectors guarantee high-quality connectivity in demanding settings.