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, they offer reliable performance in extreme conditions. Available in various mounting options such as front wall mount, rear wall mount, jam nut, and box mount receptacles, these connectors meet military specification standards. Offering excellent conductivity with gold-plated contacts, they ensure secure and durable connections. The aluminum shells come in different plating options, including electroless nickel and cadmium finishes. With a mating type of bayonet, they are easy to install and remove. Suitable for applications requiring high reliability, these connectors are ideal for military, aerospace, and industrial use.