The MIL-DTL-38999 Series I connectors feature up to 128 contacts in an environmentally sealed insert, designed for harsh environments with an operating temperature range of -65°C to 200°C. Available in various shell sizes and insert arrangements, they offer versatility for different applications. The connectors come in high-strength aluminum shells with options for plating finishes including cadmium-free choices. With front wall mount, rear wall mount, and jam nut receptacles, they provide flexibility for installation. Utilizing M39029 rear release crimp contacts, these connectors ensure secure and reliable connections. Designed to military specification MIL-DTL-38999 I, they meet rigorous standards for performance and durability. Suitable for use in demanding environments, these connectors are ideal for aerospace, defense, and industrial applications.