MIL-DTL-38999 Series I connectors offer robust performance in harsh environments with up to 128 contacts in an insert, ensuring reliable connectivity. These environmentally sealed connectors feature a wide operating temperature range from -65 °C to 200 °C, making them suitable for diverse applications. Available in various shell sizes and insert arrangements, they accommodate M39029 rear release crimp contacts for secure connections. With options for different plating finishes, including cadmium-free alternatives, these connectors meet RoHS compliance standards. The high-strength aluminum shells, along with gold-plated contacts, guarantee durability and conductivity. Designed for military specifications, Series I connectors are ideal for demanding environments, providing a dependable solution for electrical connectivity.