MIL-DTL-38999 Series II connectors offer exceptional durability and performance in harsh environments. With up to 128 contacts in an insert, they provide reliable connectivity in a wide range of applications. These connectors are environmentally sealed, ensuring protection against dust, moisture, and other elements. Operating within a temperature range of -65 °C to 200 °C, they are suitable for use in extreme conditions. Featuring various mounting options such as front and rear wall mount, jam nut, and box mount receptacles, as well as straight, RFI grounding, and standard plugs, these connectors offer versatility in installation. With 9 shell sizes and 52 insert arrangements available, they can accommodate diverse connectivity needs. Utilizing M39029 rear release crimp contacts in different sizes, including 22D, 22M, 22, 20, 16, and 12, these connectors ensure secure and efficient connections. Constructed with aluminum shells and offered in various plating options like cadmium and nickel, they guarantee excellent corrosion resistance. Whether in military, aerospace, or industrial applications, the MIL-DTL-38999 Series II connectors deliver high performance and reliability.