MIL-DTL-38999 Series II connectors offer high-performance connectivity in harsh environments, featuring up to 128 contacts in an environmentally sealed insert. With an impressive operating temperature range from -65 °C to 200 °C, these connectors ensure reliable performance in demanding conditions. Available in various mounting options such as front wall mount, rear wall mount, jam nut, and more, they cater to diverse application needs. The connectors are designed with precision, utilizing M39029 rear release crimp contacts for secure connections. Crafted from durable aluminum shells with multiple plating options including gold and electroless nickel, they guarantee longevity and efficient conductivity. Meeting military specification MIL-DTL-38999 II, these circular receptacles are ideal for critical operations requiring rugged and dependable interconnect solutions.