MIL-DTL-38999 Series II connectors are designed for rugged environments, featuring up to 128 contacts in an insert. With environmental sealing and a wide operating temperature range of -65 °C to 200 °C, they ensure reliable performance in harsh conditions. Available in various configurations such as front and rear wall mount, jam nut, and box mount receptacles, they offer versatility for different applications. The connectors come in aluminum shells with options for plating finishes, including cadmium-free coatings. Utilizing M39029 rear release crimp contacts, they provide secure and efficient connectivity. These connectors meet military specification MIL-DTL-38999 II, making them ideal for aerospace, defense, and industrial applications requiring durable and high-performance solutions.