MIL-DTL-38999 Series I connectors offer robust connectivity with up to 128 contacts in an environmentally sealed insert. With a wide operating temperature range of -65 °C to 200 °C, these connectors are designed for harsh environments. Available in various shell sizes and insert arrangements, they feature rear release crimp contacts and come in high-strength aluminum shells with multiple plating options. Ideal for military and aerospace applications, these connectors ensure reliable performance with RoHS-certified finishes available.