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 from -65°C to 200°C, these connectors are suitable for a wide range of applications. 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 coatings. Ideal for military and industrial use, they ensure reliable connectivity with their bayonet coupling and crimp contact technology.