MIL-DTL-38999 Series I connectors feature up to 128 contacts in an environmentally sealed insert, designed for harsh environments with an operating temperature range of -65°C to 200°C. Offering front wall mount, rear wall mount, and jam nut receptacles, as well as RFI grounding plugs, this connector family includes 9 shell sizes and 52 insert arrangements. Utilizing M39029 rear release crimp contacts in various sizes, they ensure reliable connectivity. Constructed with high-strength aluminum shells, these connectors come with a range of plating options, including cadmium-free finishes for RoHS compliance. Perfect for military and industrial applications, they provide secure and durable electrical connections in demanding conditions.