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 offer reliable performance in extreme conditions. Available in various mounting options such as front wall mount, rear wall mount, and jam nut, they ensure versatility in installation. The connectors come in aluminum shells with plating options including cadmium and nickel, meeting military specifications for durability. With gold-plated contacts and a bayonet coupling, they provide secure and efficient electrical connectivity. Suitable for applications requiring high reliability, these connectors are ideal for military, aerospace, and industrial use.