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 flexibility in applications. These connectors, compliant with military specification MIL-DTL-38999, come in high-strength aluminum shells with multiple plating options, including RoHS-compliant finishes. The connector family includes front wall mount, rear wall mount, and jam nut receptacles, along with RFI grounding plugs, catering to diverse installation requirements. Utilizing M39029 rear release crimp contacts, they ensure reliable connections in demanding conditions. Suitable for military and industrial use, these connectors guarantee durability and performance, meeting stringent quality standards.