MIL-DTL-38999 Series I connectors feature up to 128 contacts in an environmentally sealed insert, designed for harsh environments with an operating temperature range of -65 °C to 200 °C. Available in various shell sizes and insert arrangements, they offer front wall mount, rear wall mount, and jam nut receptacles, along with RFI grounding plugs. Constructed with high-strength aluminum shells, these connectors provide durability and reliability. The connector contacts are removable crimp type, with gold plating for optimal conductivity. They are suitable for military and aerospace applications, meeting stringent MIL-DTL-38999 I specifications. RoHS compliant options are available, ensuring environmentally conscious choices.