The MIL-DTL-38999 Series I connectors feature up to 128 contacts in an insert, designed for harsh environmental conditions with an operating temperature range of -65 °C to 200 °C. Available in various mounting configurations including front wall, rear wall, and jam nut receptacles, these connectors ensure secure connections in demanding applications. Compliant with military specification MIL-DTL-38999, they offer reliable performance with M39029 rear release crimp contacts in sizes 22D, 22M, 22, 20, 16, and 8. With high-strength aluminum shells and a choice of plating options such as electroless nickel and RoHS-certified finishes, they provide durability and versatility. Suitable for use in a wide range of industries, these connectors meet stringent quality standards for conductivity, ingress protection, and overall performance in challenging environments.