The MIL-DTL-38999 Series I connectors offer robust performance in harsh environments, featuring up to 128 contacts in an insert and environmental sealing for reliable operation. With an impressive operating temperature range from -65 °C to 200 °C, these connectors are designed to withstand extreme conditions. Available in various shell sizes and insert arrangements, they come in aluminum shells with plating options such as electroless nickel and cadmium finishes. The connectors, compliant with RoHS regulations, are ideal for military and industrial applications requiring durable and high-performance electrical connections.