MIL-DTL-38999 Series I connectors feature up to 128 contacts in an environmentally sealed insert, designed for harsh environment applications. With operating temperatures ranging from -65°C to 200°C, these connectors offer reliability in extreme conditions. Available in various shell sizes and insert arrangements, they utilize M39029 rear release crimp contacts for secure connections. The high strength aluminum shells come with a choice of plating options, including cadmium-free finishes. This connector family includes front and rear wall mount, jam nut receptacles, and RFI grounding plugs, meeting military specification MIL-DTL-38999 I standards for durability and performance.