MIL-DTL-38999 Series I connectors offer robust performance in harsh environments with up to 128 contacts, sealed for protection. Operating between -65 °C and 200 °C, they feature front and rear wall mount options, as well as jam nut receptacles and RFI grounding plugs. With 9 shell sizes and 52 insert arrangements, these connectors use M39029 rear release crimp contacts in various sizes. Crafted from high-strength aluminum, they come in plating options like cadmium and anodized finishes. RoHS compliant options are available, ensuring quality and reliability for military and industrial applications.