MIL-DTL-38999 Series I connectors feature up to 128 contacts in an insert, offering reliable connectivity in harsh environments. With operating temperatures ranging from -65 °C to 200 °C, they are ideal for demanding applications. Available in various shell sizes and insert arrangements, these connectors come in high-strength aluminum shells with multiple plating options including cadmium-free finishes. The family includes front and rear wall mount receptacles, jam nut receptacles, and RFI grounding plugs, all designed for secure connections. Utilizing M39029 rear release crimp contacts, they ensure efficient signal transmission. Meeting stringent military specifications, these connectors are perfect for aerospace, defense, and industrial settings requiring rugged and durable connectivity solutions.