MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring up to 128 contacts in an environmentally sealed insert. With an operating temperature range from -65 °C to 200 °C, these connectors are ideal for demanding applications. Available in various shell sizes and insert arrangements, they utilize M39029 rear release crimp contacts for reliable connections. The high-strength aluminum shells come in a range of plating options, including cadmium-free finishes. Featuring wall mount and jam nut receptacles, as well as RFI grounding plugs, these connectors offer versatility in installation. Suitable for military and industrial use, they provide durability and performance in challenging conditions.