MIL-DTL-38999 Series I connectors offer a robust solution for harsh environments, featuring up to 128 contacts sealed within high-strength aluminum shells. With a wide operating temperature range from -65 °C to 200 °C, these connectors are suitable for demanding applications. Available in various shell sizes and insert arrangements, they accommodate M39029 rear release crimp contacts for secure connections. The connectors come in different plating options, including cadmium-free finishes, ensuring compliance with RoHS regulations. Designed for military specifications, they provide reliable performance with 500 mating cycles. Whether for wall mounting or jam nut receptacles, these connectors guarantee environment-resistant connectivity.