MIL-DTL-38999 Series I connectors feature up to 128 contacts in an insert, offering secure and environmentally sealed connections for harsh environments. Designed for durability, these connectors have an operating temperature range from -65 °C to 200 °C. Available in various shell sizes and insert arrangements, they utilize M39029 rear release crimp contacts. The high strength aluminum shells come in different plating options, including cadmium-free finishes. With wall mount, jam nut receptacles, and RFI grounding plugs, these connectors ensure reliable performance in demanding applications.