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 including front and rear wall mount, jam nut, and box mount receptacles, they offer versatility in installation. These connectors, compliant with military specification MIL-DTL-38999, come in aluminum shells with options for RoHS certified finishes such as cadmium-free plating. Utilizing M39029 rear release crimp contacts, they ensure secure and reliable connections. Suitable for demanding applications, they are ideal for industries requiring rugged and durable connectivity solutions.