MIL-DTL-38999 Series I connectors boast up to 128 contacts in an insert, offering robust environmental sealing for reliable performance in harsh conditions. With an impressive operating temperature range from -65 °C to 200 °C, these connectors are ideal for demanding applications. Available in various shell sizes and insert arrangements, they feature M39029 rear release crimp contacts in sizes 22D, 22M, 22, 20, 16, and 8, including coax and twinax options. Constructed with high-strength aluminum shells and offering a range of plating options from light iridescent yellow cadmium to black anodized aluminum, these connectors ensure durability and versatility. Meeting MIL-DTL-38999 I military specifications, they come in wall mount receptacle configurations with bayonet coupling, catering to diverse connectivity needs. With RoHS-certified cadmium-free finishes available, these connectors prioritize environmental compliance without compromising on performance.