The MIL-DTL-38999 Series II connectors are designed for harsh environments, boasting up to 128 contacts within an environmentally sealed insert. With an impressive operating range of -65 °C to 200 °C, these connectors offer reliability in extreme conditions. Available in various mounting styles, including front and rear wall mount, jam nut, and box mount receptacles, they cater to diverse installation needs. Featuring durable aluminum shells with plating options like electroless nickel and cadmium finishes, they ensure long-lasting performance. Meeting military specifications, these connectors are ideal for applications requiring high reliability and ruggedness.