MIL-DTL-38999 Series I connectors feature up to 128 contacts in an insert, providing a secure and environmentally sealed connection. Designed for harsh environments, these connectors have an operating temperature range of -65 °C to 200 °C. Available in various shell sizes and insert arrangements, they offer flexibility in design. Constructed with high strength aluminum shells and offering multiple plating options, including RoHS certified finishes, these connectors ensure reliable performance. The connector family includes front and rear wall mount, as well as jam nut receptacles, with RFI grounding plugs. Utilizing M39029 rear release crimp contacts, they are suitable for a wide range of applications.