MIL-DTL-38999 Series I connectors feature up to 128 contacts housed in an insert, offering durable and environmentally sealed connectivity. With an impressive operating range of -65 °C to 200 °C, these connectors are designed for harsh environments. Available in various shell sizes and insert arrangements, they utilize M39029 rear release crimp contacts for reliable performance. The high-strength aluminum shells come in different plating options, including cadmium-free finishes, ensuring versatility and compliance. This connector family includes front and rear wall mount, as well as jam nut receptacles, with RFI grounding plugs for added functionality. Ideal for military and industrial applications, these connectors provide secure and efficient electrical connections in demanding settings.