MIL-DTL-38999 Series I connectors are designed for rugged environments, featuring up to 128 contacts in an environmentally sealed insert. With an impressive operating temperature range of -65 °C to 200 °C, they offer reliable performance in extreme conditions. Available in various shell sizes and insert arrangements, these connectors come in high-strength aluminum shells with a choice of plating options, including cadmium-free finishes. Offering front wall mount, rear wall mount, and jam nut receptacles, as well as RFI grounding plugs, they ensure secure connections. Utilizing M39029 rear release crimp contacts, these connectors guarantee efficient connectivity in military and aerospace applications.