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 for different applications. With 52 insert arrangements and M39029 rear release crimp contacts, these connectors ensure secure and reliable connections. Constructed with aluminum shells and offering a choice of plating options including cadmium-free finishes, they meet stringent military specifications. With gold-plated contacts and a durable design, these connectors provide excellent conductivity and performance, suitable for a wide range of industrial and military applications.