The MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in an insert. With an operating temperature range of -65 °C to 200 °C, these connectors are environmentally sealed for reliable performance. Available in various configurations including front and rear wall mounts, jam nut, and box mounts, they offer versatility in installation. Constructed with aluminum shells and offering multiple plating options, such as gold and electroless nickel, these connectors ensure durability and conductivity. Compliant with military specifications, they are ideal for applications requiring rugged and secure electrical connections.