MIL-DTL-38999 Series II connectors offer reliable performance in harsh environments, featuring up to 128 contacts in an insert. With a wide operating temperature range of -65 °C to 200 °C, these connectors are ideal for demanding applications. Available in various mounting options such as front wall mount, rear wall mount, and jam nut receptacles, they ensure versatile installation. The connectors, crafted from aluminum, come with different plating options including electroless nickel and cadmium olive drab for enhanced durability. Utilizing M39029 rear release crimp contacts, they guarantee secure connections. Meeting military specification MIL-DTL-38999 II, these circular connectors are essential for industries requiring rugged and reliable electrical connectivity.