MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts within an environmentally sealed insert. With an operating temperature range of -65°C to 200°C, these connectors offer reliability in extreme conditions. Available in various mounting options such as front wall mount, rear wall mount, jam nut, and box mount receptacles, they cater to diverse application needs. The connectors come in aluminum shells with plating options including gold, electroless nickel, and cadmium-free finishes. Utilizing M39029 rear release crimp contacts, they ensure secure and efficient connections. Meeting MIL-DTL-38999 II standards, these connectors are ideal for military, aerospace, and industrial applications requiring rugged and high-performance connectivity.