MIL-DTL-38999 Series I connectors offer high-performance connectivity for demanding environments. With up to 128 contacts in a sealed insert, these connectors ensure reliable operation in temperatures ranging from -65°C to 200°C. Featuring various receptacle options, including front and rear wall mounts, as well as jam nut receptacles, they cater to diverse installation needs. The connectors are constructed with durable aluminum shells and are available in different plating options, such as cadmium and nickel, ensuring robust and corrosion-resistant performance. Compliant with military specification MIL-DTL-38999 I, these circular plugs with gold-plated contacts provide excellent conductivity and mating reliability, making them ideal for critical applications in aerospace, defense, and industrial settings.