MIL-DTL-38999 Series I connectors offer robust connectivity with up to 128 contacts in an insert, ensuring reliable performance in harsh environments. Featuring front and rear wall mount options, as well as jam nut receptacles, these connectors are designed for military and aerospace applications. With a wide operating temperature range of -65°C to 200°C, they are suitable for use in extreme conditions. The connectors are environmentally sealed and come in various shell sizes and insert arrangements, accommodating different contact types. Constructed with high-strength aluminum shells and available in multiple plating options, including cadmium-free finishes, they meet stringent durability and performance standards. Trusted for their conductivity and ingress protection, these connectors are essential for maintaining secure electrical connections in demanding settings.