The MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts within an insert that offers environmental sealing. With an operating temperature range of -65 °C to 200 °C, these connectors ensure reliable performance in extreme conditions. Available in various mounting options such as front wall mount, rear wall mount, jam nut, and more, they cater to diverse installation needs. The connectors come in aluminum shells with plating options including cadmium and nickel, offering durability and corrosion resistance. Utilizing M39029 rear release crimp contacts, they provide secure and efficient connections. Perfect for military and industrial applications, these connectors meet stringent standards for performance and reliability.