MIL-DTL-38999 Series I connectors feature up to 128 contacts in an insert, offering environmental sealing and a wide operating temperature range from -65 °C to 200 °C. With front wall mount, rear wall mount, and jam nut receptacles available, this harsh environment connector family is versatile. Utilizing M39029 rear release crimp contacts in various sizes, including coax and twinax options, these connectors are designed for durability. The high-strength aluminum shells come in multiple plating options, such as cadmium and nickel, catering to diverse needs. RoHS certified finishes are also available. Suitable for military and industrial applications, these connectors provide reliable performance in demanding environments.