MIL-DTL-38999 Series I connectors offer robust connectivity with up to 128 contacts in a sealed insert, designed for harsh environments. With an operating temperature range from -65 °C to 200 °C, these connectors are reliable in extreme conditions. Featuring front and rear wall mount options, as well as jam nut receptacles and RFI grounding plugs, they provide versatile installation choices. Available in 9 shell sizes and 52 insert arrangements, these connectors utilize M39029 rear release crimp contacts in various sizes. Constructed with high-strength aluminum shells, they come with plating options including cadmium finishes and RoHS certified cadmium-free alternatives. Perfect for military and industrial applications, these connectors ensure secure and durable electrical connections.