MIL-DTL-38999 Series II connectors, designed for harsh environments, feature up to 128 contacts in an insert and are environmentally sealed 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, such as cadmium and nickel, ensuring durability. Compliant with RoHS regulations, they provide a secure and conductive connection, making them ideal for demanding military and industrial settings.