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 mounting options like front and rear wall mount, jam nut, and box mount receptacles, they offer versatility in installation. The connectors, compliant with military specification MIL-DTL-38999 II, come in aluminum shells with options for RoHS certified cadmium-free plating finishes. With M39029 rear release crimp contacts, they ensure secure and reliable connections. Ideal for applications requiring rugged performance, these connectors are suitable for use in demanding environments.