MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in an insert. With a wide operating temperature range from -65 °C to 200 °C, these connectors are suitable for demanding 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 such as cadmium and electroless nickel, meeting different environmental requirements. Utilizing M39029 rear release crimp contacts, they ensure reliable connections. These connectors are MIL-DTL-38999 II compliant and uphold high standards of performance and durability for military and industrial use.