The MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring up to 128 contacts housed in a sealed insert. With an operating temperature range of -65 °C to 200 °C, they offer reliable performance in extreme conditions. Available in various shell sizes and insert arrangements, these connectors come in high-strength aluminum shells with options for plating, including cadmium-free finishes. The straight plug configuration, with bayonet coupling, is ideal for secure connections. Utilizing removable crimp contacts, these connectors ensure efficient signal transmission. Meeting military specification MIL-DTL-38999 I, they are suitable for demanding applications requiring durability and environmental resistance.