MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring up to 128 contacts in a sealed insert. With an operating temperature range of -65 °C to 200 °C, they offer reliability in extreme conditions. Available in various mounting options like front and rear wall mount, as well as jam nut receptacles, these connectors ensure secure installations. Utilizing M39029 rear release crimp contacts, they come in sizes 22D, 22M, 22, 20, 16, and 8 for versatile applications. Constructed with high-strength aluminum shells, they offer durability and come with different plating options, including cadmium-free finishes for RoHS compliance. Ideal for military and industrial use, these connectors provide reliable electrical connections in demanding environments.