MIL-DTL-38999 Series I connectors feature up to 128 contacts in an insert, offering environmental sealing for durability in harsh conditions. With an operating temperature range of -65 °C to 200 °C, these connectors are suitable for a wide range of applications. Available in various shell sizes and insert arrangements, they utilize M39029 rear release crimp contacts for secure connections. The high-strength aluminum shells come in different plating options, including cadmium-free finishes, ensuring reliable performance. Designed for military specifications, these connectors are essential for demanding environments where ruggedness and reliability are paramount.