The 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 from -65 °C to 200 °C. Available in various shell sizes and insert arrangements, these connectors come in high-strength aluminum shells with options for plating, including cadmium-free finishes. The connector types include front wall mount, rear wall mount, and jam nut receptacles, with RFI grounding plugs. Utilizing M39029 rear release crimp contacts, they ensure secure connections in applications requiring durability and reliability. Suitable for military and industrial use, these connectors meet stringent MIL-DTL-38999 I specifications, making them ideal for a wide range of connectivity needs.