MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts within a sealed insert. With an operating temperature range from -65 °C to 200 °C, they offer reliability in extreme conditions. Available in various mounting options 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. Constructed with aluminum shells and offering multiple plating options, including RoHS-compliant finishes, they provide durability and corrosion resistance. Perfect for applications requiring rugged connectivity, these connectors are essential for military and industrial use.