MIL-DTL-38999 Series I connectors offer robust connectivity with up to 128 contacts, designed for harsh environments with an impressive operating temperature range of -65 °C to 200 °C. Featuring front and rear wall mount options, as well as jam nut receptacles, these connectors ensure secure installations. Utilizing M39029 rear release crimp contacts, they guarantee reliable performance in sizes 22D, 22M, 22, 20, 16, and 8 for coaxial and twinaxial connections. Constructed with high strength aluminum shells and available in various plating options including electroless nickel and cadmium finishes, these connectors meet stringent military specifications. With RoHS certified cadmium-free alternatives, they provide environmentally conscious solutions for demanding applications.