The MIL-DTL-38999 Series II connectors offer reliable connectivity in harsh environments, featuring up to 128 contacts within an insert. Designed for durability, they are environmentally sealed and can withstand temperatures ranging from -65 °C to 200 °C. Available in various mounting options such as front and rear wall mount, jam nut, and box mount receptacles, they ensure versatile installation. With 52 insert arrangements and M39029 crimp contacts in multiple sizes, these connectors provide flexibility for different applications. Constructed with aluminum shells and offering plating options including cadmium-free finishes, they comply with RoHS regulations. Suitable for military and industrial use, these connectors guarantee secure and efficient electrical connections in demanding settings.