MIL-DTL-38999 Series II connectors are designed for rugged environments with up to 128 contacts housed in a secure insert. These connectors, featuring various mounting options like front and rear wall mount as well as jam nut receptacles, offer reliable performance in harsh conditions. With a wide operating temperature range of -65 °C to 200 °C, they are suitable for a range of applications. Available in aluminum shells with plating options including electroless nickel and iridescent yellow cadmium, they ensure durability and corrosion resistance. Compliant with military specification MIL-DTL-38999 II, these circular connectors with removable crimp contacts are ideal for demanding electrical connectivity needs.