MIL-DTL-38999 Series I connectors house up to 128 contacts in an environmentally sealed insert, designed for rugged applications with an operating temperature range spanning -65°C to 200°C. This harsh environment connector family includes front wall mount, rear wall mount, and jam nut receptacles, along with RFI grounding plugs, offering versatility in installation. Available in 9 shell sizes and 52 insert arrangements, they feature M39029 rear release crimp contacts in various sizes, including coax and twinax options. Constructed with high-strength aluminum shells, these connectors come with a choice of plating finishes such as light iridescent yellow cadmium, olive drab cadmium, electroless nickel, and black anodized aluminum, catering to different environmental requirements. RoHS certified cadmium-free finishes are also available. With a straight plug shell style and gold contact plating, they ensure reliable connectivity in demanding conditions, making them ideal for military and industrial applications requiring durable and high-performance circular connectors.
