MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring up to 128 contacts in an insert. With front wall mount, rear wall mount, and jam nut receptacles, they offer versatile connectivity options. These connectors are built to withstand extreme temperatures, ranging from -65 °C to 200 °C, and are environmentally sealed for reliable performance. The high-strength aluminum shells come in 9 different sizes and offer various plating options, including cadmium-free finishes for RoHS compliance. Utilizing M39029 rear release crimp contacts, they ensure secure and efficient connections. Perfect for military and industrial applications, these connectors meet stringent MIL-DTL-38999 I specifications for durability and performance in demanding environments.