MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts within an insert for robust connectivity. With environmental sealing and a wide operating temperature range from -65 °C to 200 °C, these connectors ensure reliable performance in demanding conditions. Available in various configurations such as front and rear wall mount, jam nut, and box mount receptacles, they offer versatility in installation. The thin-walled construction and restricted length make them suitable for space-constrained applications. Compliant with military specification MIL-DTL-38999 II, these circular connectors guarantee high-quality standards for aerospace, defense, and other rugged applications. Made of aluminum with options for different plating finishes including gold, electroless nickel, and cadmium olive drab, they provide corrosion resistance and durability. Featuring removable crimp contacts and bayonet coupling, they offer easy and secure mating. Suitable for both male and female contacts, these connectors ensure efficient signal transmission with a conductivity rating of conductive. With a service rating of I and service class T, they are designed for prolonged use in challenging environments, meeting the requirements of various industries. Please note that RoHS compliance may vary depending on the finish coating selected.