MIL-DTL-38999 Series I connectors feature up to 128 contacts in an insert, providing versatility in connectivity. Designed for harsh environments, these connectors are environmentally sealed with an operating temperature range from -65 °C to 200 °C. Available in various shell sizes and insert arrangements, they include M39029 rear release crimp contacts for secure connections. The connector family offers front wall mount, rear wall mount, and jam nut receptacles with RFI grounding plugs. Constructed with high-strength aluminum shells, they come in plating options such as electroless nickel and cadmium finishes. RoHS certified variants are also available, meeting modern environmental standards. Ideal for military and industrial applications, these connectors ensure reliable performance in demanding conditions.