MIL-DTL-38999 Series I connectors are rugged and reliable, featuring up to 128 contacts in an environmentally sealed insert. With a wide operating temperature range from -65 °C to 200 °C, these connectors are suitable for harsh environments. Available in various shell sizes and insert arrangements, they offer flexibility in design. The connectors come in high-strength aluminum shells with options for different plating finishes, including RoHS certified cadmium-free options. Ideal for military and aerospace applications, they ensure secure and durable connectivity with gold-plated removable crimp contacts. The bayonet coupling mechanism and straight plug design make them easy to install and use.