The 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 reliable performance in extreme conditions. Available in various mounting styles such as front and rear wall mount, jam nut, and box mount receptacles, they provide flexibility for different applications. The connectors come in aluminum shells with options for plating, including cadmium-free finishes. Utilizing M39029 rear release crimp contacts, they ensure secure connections with sizes ranging from 12 to 22. Meeting military specification MIL-DTL-38999 II, these connectors are ideal for aerospace, defense, and industrial applications requiring rugged and durable connectivity solutions.