MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in an insert. With a wide operating temperature range of -65 °C to 200 °C, these connectors are environmentally sealed for reliable performance. Available in various mounting options like front wall mount, rear wall mount, and jam nut, they offer versatility in installation. The aluminum shells come with plating options including electroless nickel and cadmium finishes, meeting RoHS compliance standards. Utilizing M39029 rear release crimp contacts, these connectors ensure secure connections in applications requiring durability and conductivity. Perfect for military and industrial use, they are ideal for demanding environments where reliability is paramount.