Experience reliable connectivity in harsh environments with our MIL-DTL-38999 Series II connectors. Featuring up to 128 contacts within a durable insert, these connectors are built to withstand extreme temperatures ranging from -65 °C to 200 °C. Available in various mounting options including front wall mount, rear wall mount, jam nut, rear box mount, and front box mount receptacles, they offer versatility for a wide range of applications. With 52 insert arrangements and M39029 rear release crimp contacts, customization is easy to achieve. The aluminum shells come in different plating options such as electroless nickel and cadmium finishes, with RoHS certified cadmium-free choices available. Designed for optimal performance, these connectors ensure secure and efficient electrical connections in demanding environments.