The MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts sealed for protection. With an operating temperature range of -65 °C to 200 °C, these connectors offer reliable performance in extreme conditions. Available in various configurations including front and rear wall mount, jam nut, and box mount receptacles, they cater to diverse installation needs. Constructed with aluminum shells and offering a choice of plating options, such as electroless nickel and cadmium finishes, these connectors ensure durability. Utilizing M39029 rear release crimp contacts, they guarantee secure connections. Suitable for military and industrial applications, these connectors are compliant with RoHS regulations, making them a reliable choice for demanding environments.