MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring up to 128 contacts in an environmentally sealed insert. With an operating temperature range of -65 °C to 200 °C, they offer reliable performance in extreme conditions. Available in various shell sizes and insert arrangements, these connectors come in high-strength aluminum shells with a choice of plating options, including cadmium-free finishes. The family includes front and rear wall mount as well as jam nut receptacles, all with RFI grounding plugs. Utilizing M39029 rear release crimp contacts, they ensure secure connections. Ideal for military and aerospace applications, these connectors meet stringent MIL-DTL-38999 I specifications.