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, these connectors offer reliable performance 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 in a range of plating options, including cadmium-free finishes. Offering front and rear wall mount, as well as jam nut receptacles, MIL-DTL-38999 I connectors are suitable for a wide range of applications requiring durability and reliability.