MIL-DTL-38999 Series I connectors feature up to 128 contacts in an environmentally sealed insert, designed for harsh environments with an operating temperature range of -65 °C to 200 °C. Available in various configurations including front wall mount, rear wall mount, and jam nut receptacles, these connectors offer versatility in connectivity solutions. Utilizing M39029 rear release crimp contacts, they ensure secure and reliable connections in sizes 22D, 22M, 22, 20, 16, and 8 (coax and twinax). Crafted with high-strength aluminum shells and offering a selection of plating options such as gold, electroless nickel, and cadmium finishes, they meet diverse application needs. RoHS compliant options are available, making them suitable for environmentally conscious installations. With features like bayonet mating and socket contacts, these MIL-DTL-38999 I connectors provide durability, conductivity, and ease of use in demanding settings.