MIL-DTL-38999 Series I connectors offer high-performance connectivity in harsh environments, featuring up to 128 contacts within an environmentally sealed insert. With an impressive operating temperature range of -65 °C to 200 °C, these connectors are built to withstand extreme conditions. Available in various shell sizes and insert arrangements, they boast M39029 rear release crimp contacts for secure connections. The connectors come in durable aluminum shells with options for plating, including cadmium-free finishes for RoHS compliance. Offering versatility with front wall mount, rear wall mount, and jam nut receptacles, as well as RFI grounding plugs, they ensure reliable performance in military and industrial applications.