The 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 gold, electroless nickel, and cadmium-free coatings, ensuring durability and corrosion resistance. Utilizing M39029 rear release crimp contacts, they provide secure connections in sizes 22D, 22M, 22, 20, 16, and 12. Compliant with MIL-DTL-38999 II military specifications, these connectors guarantee high performance and reliability in demanding environments.