The MIL-DTL-38999 Series I connectors boast robust construction for harsh environments, featuring up to 128 contacts housed within a sealed insert. With an impressive operating temperature range of -65 °C to 200 °C, these connectors are designed for reliable performance in extreme conditions. Available in various shell sizes and insert arrangements, they offer versatility in application. The connectors come in high-strength aluminum shells with a choice of plating options, including cadmium-free finishes for RoHS compliance. Offering front wall mount, rear wall mount, and jam nut receptacles, along with RFI grounding plugs, they cater to diverse connectivity needs. Utilizing M39029 rear release crimp contacts, these connectors ensure secure and efficient electrical connections. Suitable for military and industrial use, they meet the stringent MIL-DTL-38999 I specifications.