The MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in an environmentally sealed insert. With an operating temperature range of -65 °C to 200 °C, these connectors are suitable for a wide range of applications. Available in various mounting options including front and rear wall mount, jam nut, and box mount receptacles, they offer versatility in installation. Constructed with aluminum shells and offering multiple plating options such as cadmium and nickel, these connectors ensure durability and reliability. Utilizing M39029 rear release crimp contacts, they provide secure and efficient connections. These connectors meet military specification MIL-DTL-38999 II and are ideal for aerospace, defense, and industrial applications requiring rugged and high-performance connectivity.