MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in a sealed insert. With an operating temperature range of -65 °C to 200 °C, they offer reliable performance in extreme conditions. Available in various configurations including front and rear wall mount, jam nut, and box mount receptacles, these connectors meet stringent military specifications. Utilizing M39029 rear release crimp contacts, they ensure secure connections. The aluminum shells come with plating options such as electroless nickel and iridescent yellow cadmium, offering both durability and RoHS compliance. Perfect for applications requiring high reliability in demanding environments.