MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in an insert and offering reliable performance in temperatures ranging from -65 °C to 200 °C. Available in various configurations including front and rear wall mount, jam nut, and box mount receptacles, these connectors meet stringent military specifications. With a wide range of plating options such as gold, electroless nickel, and cadmium finishes, they ensure durability and conductivity. The aluminum shells, with RoHS compliant cadmium-free alternatives, provide enhanced protection. Ideal for applications requiring secure electrical connections in demanding conditions, these connectors are specified for their reliability and performance.