MIL-DTL-38999 Series I connectors feature up to 128 contacts in an environmentally sealed insert, ideal for harsh environments. With a wide operating temperature range of -65 °C to 200 °C, they offer reliable performance in extreme conditions. Available in various shell sizes and insert arrangements, these connectors come in high-strength aluminum shells with multiple plating options, including cadmium-free finishes. The connector family includes front and rear wall mount receptacles and RFI grounding plugs, all designed for secure connections. Utilizing M39029 rear release crimp contacts, they ensure efficient signal transmission. Suitable for military and industrial applications, these connectors meet stringent MIL-DTL-38999 I specifications for durability and performance.