MIL-DTL-38999 Series I 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 reliability 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. They are suitable for military and industrial applications, offering secure connections with bayonet coupling. The connectors are RoHS compliant and ensure optimal performance in demanding environments.