The 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 environmentally sealed and can operate in temperatures ranging from -65 °C to 200 °C. Constructed with high-strength aluminum shells, they ensure durability in demanding conditions. Offering various plating options including electroless nickel and cadmium finishes, they meet stringent military specifications. The M39029 rear release crimp contacts in sizes 22D, 22M, 22, 20, 16, and 8 provide reliable connections. Suitable for applications requiring RoHS compliance, these connectors are ideal for use in rugged environments.