MIL-DTL-38999 Series I connectors feature up to 128 contacts in an 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. These connectors, compliant with military specification MIL-DTL-38999 I, come in high-strength aluminum shells with options for plating, including cadmium-free finishes. Offering reliable connectivity, they are used in demanding environments where durability and performance are essential. With front wall mount, rear wall mount, and jam nut receptacles, as well as RFI grounding plugs, they provide secure connections in various setups. Suitable for use in aerospace, defense, and industrial applications.