The MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in an insert. With environmental sealing and an operating temperature range of -65 °C to 200 °C, they offer reliable performance in demanding conditions. Available in various mounting options such as front and rear wall mount, jam nut, and box mount receptacles, these connectors meet military specifications for durability. Offering a choice of shell sizes, insert arrangements, and contact types, they ensure versatile connectivity solutions. Constructed with aluminum shells and plated with options like electroless nickel and cadmium finishes, they guarantee robust protection against corrosion. Ideal for applications requiring high-performance electrical connections, these connectors are trusted for their quality and reliability in the field.