MIL-DTL-38999 Series II connectors are designed for harsh environments, offering up to 128 contacts in an insert. With environmental sealing and a wide operating temperature range from -65°C to 200°C, they ensure reliable performance in demanding conditions. These connectors come in various configurations including front and rear wall mount, jam nut, and box mount receptacles. The plugs feature straight, RFI grounding, and standard options with a 90-degree cable clamp, available in 9 shell sizes and 52 insert arrangements. Utilizing M39029 rear release crimp contacts, these connectors are built for durability. Constructed with aluminum shells and offering plating options such as light iridescent yellow cadmium, olive drab cadmium, electroless nickel, and black anodized aluminum, they cater to diverse needs. RoHS certified cadmium-free finishes are also available. Ideal for military and industrial applications, MIL-DTL-38999 Series II connectors ensure secure and efficient electrical connections in challenging environments.