The MIL-DTL-38999 Series I connectors offer robust connectivity solutions for harsh environments, featuring up to 128 contacts in an environmentally sealed insert. With an operating temperature range spanning from -65°C to 200°C, these connectors are designed for reliability in extreme conditions. Available in various shell sizes and insert arrangements, they accommodate M39029 rear release crimp contacts, ensuring secure connections. The high-strength aluminum shells come in a range of plating options, including cadmium-free finishes for RoHS compliance. Designed for military specifications, these connectors are ideal for applications requiring rugged performance and durability.