MIL-DTL-38999 Series I connectors are designed for rugged environments, featuring up to 128 contacts within an insert. These connectors offer exceptional durability with an operating temperature range from -65 °C to 200 °C. Available in various configurations, including front and rear wall mount options, as well as jam nut receptacles, they provide versatile connectivity solutions. The connectors utilize M39029 rear release crimp contacts in sizes 22D, 22M, 22, 20, 16, and 8, catering to different requirements. Constructed with high-strength aluminum shells and offered in multiple plating options, such as electroless nickel and cadmium finishes, they ensure reliable performance in demanding applications. RoHS certified cadmium-free variants are also available, meeting environmental standards. With a straight plug shell style and gold contact plating, these connectors guarantee secure and efficient connections in military and industrial settings.