MIL-DTL-38999 Series II connectors offer robust performance in harsh environments, with up to 128 contacts securely housed in an insert. Designed for durability, these connectors are environmentally sealed and can operate in temperatures ranging from -65 °C to 200 °C. Featuring various mounting options such as front and rear wall mount, jam nut, and box mount receptacles, they provide versatility in installation. Available in aluminum shells with plating options like electroless nickel and cadmium finishes, these connectors ensure reliable conductivity. The crimp type contacts, with gold plating, offer a mating life of 500 cycles. With RoHS certified options, these connectors are ideal for military and industrial applications requiring rugged and high-performance connectivity.