MIL-DTL-38999 Series II connectors offer robust connectivity solutions with up to 128 contacts, providing reliable performance in harsh environments. Featuring environmentally sealed construction and an impressive operating temperature range from -65 °C to 200 °C, these connectors are ideal for demanding applications. Available in various mount types such as front and rear wall mount, jam nut, and box mount receptacles, they offer versatility in installation. With options for straight, RFI grounding, and standard plugs, along with a range of shell sizes and insert arrangements, these connectors ensure compatibility with diverse systems. Utilizing M39029 rear release crimp contacts, they guarantee secure and efficient connections. Crafted from durable aluminum, with plating options including cadmium and nickel, these connectors provide superior corrosion resistance. Designed to meet military specifications, they offer high performance and reliability, making them essential for aerospace, defense, and industrial applications.