MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring front wall mount, rear wall mount, and jam nut receptacles with RFI grounding plugs. With up to 128 contacts in an insert, these connectors offer versatility for various applications. Operating between -65 °C and 200 °C, they ensure reliable performance in extreme conditions. Available in 9 shell sizes and 52 insert arrangements, they use M39029 rear release crimp contacts in various sizes. Constructed with high-strength aluminum shells, they come in plating options such as cadmium and nickel, offering durability and corrosion resistance. RoHS compliant finishes are also available. Ideal for military and industrial use, these connectors provide secure and efficient electrical connections.