MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring up to 128 contacts in an insert. With a wide operating temperature range of -65 °C to 200 °C, these connectors are ideal for demanding applications. Available in various shell sizes and insert arrangements, they offer versatility for different needs. The connectors come in high-strength aluminum shells with options for plating, including cadmium-free finishes. They are environmentally sealed and comply with RoHS standards, ensuring reliability and performance in critical settings. Suitable for military and industrial use, these connectors are known for their durability and quality.