MIL-DTL-38999 Series II connectors are designed for harsh environments with up to 128 contacts in an insert, offering reliable connectivity. These environmentally sealed connectors have a wide operating temperature range from -65°C to 200°C. Available in various configurations such as front and rear wall mount, jam nut, and box mount receptacles, they meet stringent military specifications. Featuring removable crimp contacts in sizes 22D, 22M, 22, 20, 16, and 12, these connectors ensure secure connections. With options for gold plating and electroless nickel coating, they guarantee optimal performance and durability. The aluminum shells come in different plating finishes, including cadmium-free options, suitable for RoHS compliance. Perfect for demanding applications, these MIL-DTL-38999 II connectors are ideal for industries requiring rugged and reliable circular connectivity.