The MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in an environmentally sealed insert. With an operating temperature range of -65 °C to 200 °C, these connectors ensure reliable performance in extreme conditions. Available in various mounting options such as front and rear wall mount, jam nut, and box mount receptacles, they offer versatility for different applications. Constructed with aluminum shells and offering a range of plating options including cadmium-free finishes, these connectors are durable and compliant with RoHS regulations. With M39029 rear release crimp contacts in sizes 22D, 22M, 22, 20, 16, and 12, they provide secure connections. Ideal for military and industrial use, the MIL-DTL-38999 Series II connectors guarantee high performance and longevity in demanding environments.