MIL-DTL-38999 Series I connectors are designed for demanding environments, with up to 128 contacts housed in a rugged insert. These connectors offer reliable performance in temperatures ranging from -65 °C to 200 °C, making them ideal for a wide range of applications. Available in various shell sizes and insert arrangements, they feature front and rear wall mount options as well as jam nut receptacles, all meeting stringent military specifications. Utilizing high strength aluminum shells with a choice of plating options including cadmium-free finishes, they ensure durability and corrosion resistance. With gold-plated contacts and a mating type of bayonet, these connectors guarantee secure and efficient electrical connections. Suitable for both military and industrial use, they provide a reliable solution for power and signal transmission in harsh environments.