The 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, they are suitable for a wide range of applications. Available in various shell sizes and insert arrangements, these connectors offer flexibility in design. The high strength aluminum shells come in different plating options, including cadmium-free finishes for RoHS compliance. With options for front wall mount, rear wall mount, and jam nut receptacles, as well as RFI grounding plugs, they provide versatility in installation. Utilizing M39029 rear release crimp contacts, these connectors ensure secure and reliable connections. Suitable for military and industrial use, the MIL-DTL-38999 Series I connectors are built to withstand demanding conditions, making them an ideal choice for critical applications.