MIL-DTL-38999 Series I connectors are designed for rugged environments, featuring up to 128 contacts housed in an environmentally sealed insert. With an impressive operating temperature range of -65°C to 200°C, these connectors offer reliable performance in harsh conditions. Available in various shell sizes and insert arrangements, they utilize M39029 rear release crimp contacts for secure connections. The high-strength aluminum shells come in a range of plating options, including cadmium-free finishes for RoHS compliance. Whether you need front wall mount, rear wall mount, or jam nut receptacles, these connectors provide durable and efficient connectivity for military and industrial applications.