MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts and environmental sealing for reliable performance. With an operating temperature range of -65 °C to 200 °C, these connectors are suitable for a wide range of applications. Available in various configurations including front and rear wall mount, jam nut, and box mount receptacles, they offer versatility in installation. The connectors come in aluminum shells with options for plating finishes such as electroless nickel and cadmium-free coatings, ensuring durability and compliance with RoHS regulations. Utilizing M39029 rear release crimp contacts, these connectors provide secure connections in sizes 22D, 22M, 22, 20, 16, and 12. Perfect for military and industrial use, the MIL-DTL-38999 Series II connectors meet stringent performance standards for electrical connectivity in demanding environments.