The 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 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. Suitable for military and industrial applications, they ensure secure and durable connections with their bayonet coupling and removable crimp contacts. The connectors meet MIL-DTL-38999 I specifications and provide reliable conductivity, making them ideal for critical operations.