MIL-DTL-38999 Series I connectors feature up to 128 contacts within an environmentally sealed insert, offering reliable performance in harsh environments. With an operating temperature range from -65 °C to 200 °C, these connectors are versatile and durable. Available in various shell sizes and insert arrangements, they utilize M39029 rear release crimp contacts for secure connections. The high-strength aluminum shells come with a choice of plating options, including cadmium-free finishes for RoHS compliance. Whether in military or industrial applications, these connectors, with front wall mount, rear wall mount, and jam nut receptacles, provide efficient electrical connectivity with RFI grounding options.