MIL-DTL-38999 Series II connectors feature up to 128 contacts housed in an environmentally sealed insert. Operating at temperatures ranging from -65 °C to 200 °C, these connectors offer versatility for various harsh environment applications. Available in multiple mounting options, including front and rear wall mount, jam nut, and box mount receptacles, they ensure secure connections in demanding conditions. With options for straight, RFI grounding, and standard plugs, along with a variety of shell sizes and insert arrangements, these connectors provide flexibility for diverse connectivity needs. Constructed with aluminum shells and offering plating options such as electroless nickel and cadmium finishes, they guarantee durability and reliability. Ideal for military and industrial use, these connectors meet MIL-DTL-38999 II specifications, with RoHS compliant alternatives available.