MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in an insert. These connectors are environmentally sealed, with an operating temperature range of -65 °C to 200 °C. Available in various configurations 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, they cater to different connectivity needs. Utilizing M39029 rear release crimp contacts, these connectors ensure secure and reliable connections. Constructed with aluminum shells and offering plating options like electroless nickel and cadmium finishes, they provide durability and corrosion resistance. Suitable for military and industrial applications, these connectors meet MIL-DTL-38999 II specifications, making them ideal for demanding environments.