MIL-DTL-38999 Series II connectors, designed for harsh environments, feature up to 128 contacts in an environmentally sealed insert. With an operating temperature range from -65 °C to 200 °C, these connectors come in various configurations such as front wall mount, rear wall mount, jam nut, rear box mount, and front box mount receptacles. Available in aluminum shells with multiple plating options, including RoHS certified finishes, they ensure reliable performance. Utilizing M39029 rear release crimp contacts, they offer flexibility in contact arrangements. The connectors, meeting military specification MIL-DTL-38999 II, are ideal for demanding applications where durability and performance are crucial.