MIL-DTL-38999 Series II connectors offer high performance in harsh environments, featuring up to 128 contacts in an insert and environmental sealing. With an operating temperature range from -65°C to 200°C, these connectors are built for durability. Available in various mounting options including front and rear wall mount, jam nut, and box mount receptacles, they provide flexibility in installation. Utilizing M39029 rear release crimp contacts, they ensure secure connections in sizes 22D, 22M, 22, 20, 16, and 12. The connectors, housed in aluminum shells, come with multiple plating options such as iridescent yellow cadmium, olive drab cadmium, electroless nickel, and black anodized aluminum, catering to different environmental requirements. Meeting MIL-DTL-38999 II specifications, they guarantee reliability in military and industrial applications.