MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in a sealed insert. With an operating temperature range of -65 °C to 200 °C, these connectors offer reliability in extreme conditions. Available in various configurations including front and rear wall mount, jam nut, and box mount receptacles, they provide flexibility for different applications. Constructed with aluminum shells and offering multiple plating options, such as gold and electroless nickel, these connectors ensure durability and performance. Designed for military specifications, they meet stringent quality standards for applications requiring high reliability.