MIL-DTL-38999 Series I connectors offer a rugged solution for harsh environments, featuring up to 128 contacts in an environmentally sealed insert. With an operating temperature range from -65°C to 200°C, these connectors are suitable for a wide range of applications. Available in various shell sizes and insert arrangements, they use M39029 rear release crimp contacts for reliable connectivity. The high-strength aluminum shells come in a choice of plating options, including cadmium-free finishes for RoHS compliance. Whether for front or rear wall mount or jam nut receptacles, these connectors provide secure, conductive connections in demanding settings.