MIL-DTL-38999 Series I connectors offer robust connectivity with up to 128 contacts in an environmentally sealed insert. Designed for harsh environments, they feature front and rear wall mount, as well as jam nut receptacles, ensuring secure installations. With a wide operating temperature range of -65 °C to 200 °C, these connectors are versatile and reliable in demanding conditions. Utilizing M39029 rear release crimp contacts, they come in various sizes, including 22D, 22M, 22, 20, 16, and 8 for coax and twinax applications. Constructed with high-strength aluminum shells and available in different plating options such as electroless nickel and cadmium finishes, they offer durability and performance. Compliant with RoHS standards, these connectors are ideal for military and industrial applications requiring rugged and efficient connectivity solutions.