MIL-DTL-38999 Series I connectors are designed for rugged environments, featuring up to 128 contacts in an insert with front wall mount, rear wall mount, and jam nut receptacles. With an operating temperature range of -65 °C to 200 °C, these connectors are ideal for harsh conditions. They utilize M39029 rear release crimp contacts in various sizes and offer a variety of plating options, including cadmium-free finishes. Constructed with high-strength aluminum shells, they are environmentally sealed for reliable performance. Suitable for military and industrial applications, these connectors meet stringent MIL-DTL-38999 I specifications.