MIL-DTL-38999 Series II connectors offer robust connectivity with up to 128 contacts housed in a secure insert, ideal for harsh environments. Designed for durability, these connectors are environmentally sealed and can operate in extreme temperatures ranging from -65 °C to 200 °C. Available in various mounting options including front and rear wall mount, jam nut, and box mount receptacles, they ensure versatile installation. Featuring crimp type connectors and bayonet coupling, they guarantee reliable and efficient electrical connections. With a selection of plating options such as gold, electroless nickel, and cadmium finishes, users can customize based on their specific needs. These connectors, crafted from aluminum, comply with RoHS standards, offering a safe and environmentally friendly solution for various applications.