The MIL-DTL-38999 Series II connectors are designed for demanding environments, featuring up to 128 contacts within a sealed insert. Operating efficiently in temperatures ranging from -65 °C to 200 °C, these connectors offer reliable performance in extreme conditions. Available in various configurations including front and rear wall mounts, jam nuts, and box mounts, they cater to diverse installation needs. With options for straight, RFI grounding, and standard plugs, as well as multiple shell sizes and insert arrangements, these connectors ensure versatility. Constructed with durable aluminum shells and offering a range of plating options, including cadmium-free finishes, they prioritize both functionality and environmental compliance. The MS27473 model specifically features a Straight Plug design with gold-plated contacts, suitable for military and industrial applications requiring high reliability and performance.