MIL-DTL-38999 Series I connectors are designed for rugged environments, featuring up to 128 contacts in an insert. With a wide operating temperature range of -65 °C to 200 °C, these connectors offer reliable performance in extreme conditions. Available in various shell sizes and insert arrangements, they include M39029 rear release crimp contacts for secure connections. The high-strength aluminum shells come in different plating options, such as cadmium and nickel, ensuring durability. With options for wall mounting and jam nut receptacles, these connectors are suitable for a range of applications requiring environmental sealing and RFI grounding. RoHS compliant finishes are also available, meeting modern environmental standards.