MIL-DTL-38999 Series I connectors offer high-performance connectivity in harsh environments, featuring up to 128 contacts housed in environmentally sealed inserts. With an operational range spanning from -65°C to 200°C, these connectors are designed for durability. Available in various shell sizes and insert arrangements, they accommodate M39029 rear release crimp contacts, ensuring secure connections. The connector family includes front and rear wall mount options, as well as jam nut receptacles and RFI grounding plugs. Constructed with high-strength aluminum shells and offering a range of plating choices, from cadmium to electroless nickel, these connectors provide reliable conductivity with RoHS-certified finishes available. From military to industrial applications, MIL-DTL-38999 I connectors meet the demands of demanding environments.