MIL-DTL-38999 Series I connectors feature up to 128 contacts within an environmentally sealed insert, designed for rugged applications with an operating temperature range from -65°C to 200°C. Available in various shell sizes and insert arrangements, they offer versatility for different connectivity needs. These connectors, compliant with military specification MIL-DTL-38999 I, come in high-strength aluminum shells with options for plating finishes, including cadmium-free choices. With front and rear wall mount options, as well as jam nut receptacles and RFI grounding plugs, they provide secure and reliable connections. Utilizing M39029 rear release crimp contacts, these connectors ensure durability and performance, making them ideal for harsh environments.