MIL-DTL-38999 Series I connectors are designed for rugged environments, featuring up to 128 contacts in a sealed insert. With a wide operating temperature range of -65 °C to 200 °C, these connectors offer reliability in harsh conditions. Available in various shell sizes and insert arrangements, they utilize M39029 rear release crimp contacts for secure connections. Constructed with high-strength aluminum shells and offering multiple plating options, including RoHS certified finishes, these connectors ensure durability and performance. The family includes front and rear wall mount receptacles, as well as jam nut receptacles, suitable for diverse applications. Meeting military specification MIL-DTL-38999 I, they are ideal for demanding environments that require reliable electrical connections.