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 from -65 °C to 200 °C, these connectors offer reliability in extreme conditions. Available in various shell sizes and insert arrangements, they accommodate M39029 rear release crimp contacts for secure connections. The high strength aluminum shells come with a choice of plating options, including cadmium-free finishes for RoHS compliance. Whether for front wall mount, rear wall mount, or jam nut receptacles, these connectors meet MIL-DTL-38999 I specifications, ensuring durability and performance in military and aerospace applications.