The MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts and environmental sealing for reliable performance. With an operating temperature range between -65°C and 200°C, these connectors offer durability in extreme conditions. Available in various mounting styles, including front and rear wall mount, jam nut, and box mount receptacles, they provide flexibility in installation. Utilizing M39029 rear release crimp contacts, these connectors ensure secure connections. Constructed with aluminum shells and offering multiple plating options, such as electroless nickel and cadmium finishes, they are suited for diverse applications. Compliant with RoHS regulations, these connectors meet high standards for environmental responsibility.