MIL-DTL-38999 Series II connectors offer robust connectivity solutions with up to 128 contacts in a sealed insert. Designed for harsh environments, these connectors can operate in temperatures ranging from -65 °C to 200 °C. Featuring various mounting options such as front and rear wall mount, jam nut, and box mount receptacles, they provide versatility in installation. With options for straight, RFI grounding, and standard plugs, as well as multiple shell sizes and insert arrangements, these connectors ensure compatibility with diverse applications. Utilizing M39029 rear release crimp contacts, they guarantee secure and reliable connections. Constructed with aluminum shells and available in different plating finishes including cadmium-free options, they meet stringent military specifications. Suitable for use in demanding environments, these connectors offer durability, conductivity, and environmental resistance.