The MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring up to 128 contacts in a sealed insert. With a wide operating temperature range of -65°C to 200°C, these connectors are suitable for demanding 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 cadmium-free choices. They are MIL-DTL-38999 I compliant and adhere to RoHS regulations, making them a reliable choice for military and industrial use. With bayonet coupling and wall mounting options, these connectors provide secure and efficient electrical connections in challenging settings.