MIL-DTL-38999 Series II connectors feature up to 128 contacts in an environmentally sealed insert, designed for harsh environments with an operating temperature range of -65 °C to 200 °C. Available in various configurations including front and rear wall mount, jam nut, and box mount receptacles, these connectors offer versatility in application. Constructed with aluminum shells and offering multiple plating options such as cadmium and nickel, they ensure reliable performance in demanding conditions. With RoHS compliant finishes available, these connectors are ideal for military and aerospace applications requiring rugged connectivity solutions.