MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring up to 128 contacts in an environmentally sealed insert. With an impressive operating temperature range of -65 °C to 200 °C, these connectors offer reliable performance in extreme conditions. Available in various shell sizes and insert arrangements, they come with M39029 rear release crimp contacts for easy installation. The high strength aluminum shells are offered in a range of plating options, including cadmium-free finishes. Whether you need front or rear wall mount or jam nut receptacles, these connectors provide secure connections with RFI grounding plugs. Meeting military specification MIL-DTL-38999 I, they are ideal for applications requiring durability and performance.