MIL-DTL-38999 Series I connectors offer rugged reliability with up to 128 contacts in an insert, designed for harsh environments. Featuring front and rear wall mount options, as well as jam nut receptacles, they ensure secure connections. With a wide operating temperature range of -65 °C to 200 °C, these connectors are suitable for diverse applications. Utilizing M39029 rear release crimp contacts in various sizes, including coax and twinax, they provide flexibility. Constructed with high-strength aluminum shells and available in different plating options, such as electroless nickel and cadmium finishes, they meet stringent requirements. RoHS compliant options are also available, making them ideal for environmentally conscious projects. Trusted for their durability and performance, MIL-DTL-38999 I connectors are essential for military, aerospace, and industrial applications.