MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in an insert. With environmental sealing and a wide operating temperature range of -65 °C to 200 °C, these connectors offer durability and reliability. Available in various configurations such as front and rear wall mount, jam nut, and box mount receptacles, they cater to diverse application needs. The plugs, including straight and 90-degree cable clamp options, utilize M39029 rear release crimp contacts for secure connections. Constructed with aluminum shells and offering plating options like electroless nickel and cadmium finishes, these connectors ensure optimal performance. Suitable for military and industrial applications, they meet stringent MIL-DTL-38999 II specifications, guaranteeing quality and longevity in demanding environments.