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. Available in front wall mount, rear wall mount, and jam nut receptacles, they offer RFI grounding plugs and M39029 rear release crimp contacts in various sizes. Constructed with high-strength aluminum shells, these connectors come in multiple plating options, including cadmium-free finishes. With RoHS certification, they ensure reliable performance in demanding applications.