The MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in an environmentally sealed insert. With a wide operating temperature range of -65 °C to 200 °C, these connectors offer reliable performance in extreme conditions. Available in various configurations such as front wall mount, rear wall mount, and jam nut receptacles, they provide flexibility for different installation needs. Constructed with aluminum shells and offering multiple plating options including cadmium-free finishes, these connectors ensure durability and compliance with RoHS regulations. Ideal for military and aerospace applications, they guarantee secure and high-quality connectivity with 500 mating cycles.