MIL-DTL-38999 Series I connectors are designed for rugged environments, offering up to 128 contacts in an insert for secure connectivity. With an operating temperature range of -65 °C to 200 °C, they are suitable for a wide range of applications. Available in various shell sizes and insert arrangements, these connectors feature front and rear wall mount options, as well as jam nut receptacles and RFI grounding plugs. Constructed with high-strength aluminum shells, they come in a choice of plating finishes, including RoHS-certified cadmium-free options. With M39029 rear release crimp contacts, they ensure reliable performance, making them ideal for military and aerospace use.