MIL-DTL-38999 Series I connectors are designed for harsh environments, offering up to 128 contacts in an insert. These connectors are environmentally sealed with an operating temperature range of -65 °C to 200 °C. Featuring front wall mount, rear wall mount, and jam nut receptacles, they provide versatility in connectivity. Utilizing M39029 rear release crimp contacts, they ensure secure connections. Made with high-strength aluminum shells, they come in various plating options such as light iridescent yellow cadmium and electroless nickel. RoHS certified finishes are available, catering to environmental regulations. Perfect for military and industrial applications, these connectors guarantee reliable performance in demanding conditions.