MIL-DTL-38999 Series II connectors feature up to 128 contacts in an insert, offering reliable electrical connections in harsh environments. With a wide operating temperature range of -65 °C to 200 °C, these environmentally sealed connectors are built for durability. Available in various mounting styles including front and rear wall mount, jam nut, and box mount receptacles, they offer versatility in installation. The connectors, made with aluminum shells, come in multiple plating options such as electroless nickel and cadmium finishes. Utilizing M39029 rear release crimp contacts, they ensure secure connections. Meeting MIL-DTL-38999 II military specifications, these circular plugs are ideal for applications requiring rugged and high-performance connectivity.