MIL-DTL-38999 Series II connectors are high-performance, environmentally sealed connectors designed for harsh environments. With up to 128 contacts in each insert, they offer reliable connectivity in demanding applications. Operating between -65 °C and 200 °C, these connectors are suitable for a wide range of conditions. Available in various mounting styles, including front and rear wall mount, jam nut, and box mount, they provide flexibility in installation. Featuring aluminum shells with options for plating finishes, such as light iridescent yellow cadmium and electroless nickel, they meet stringent military specifications. The connectors use M39029 rear release crimp contacts, ensuring secure connections. With RoHS certified cadmium-free finishes available, they are also environmentally friendly. Overall, MIL-DTL-38999 Series II connectors are a dependable choice for mission-critical applications.