MIL-DTL-38999 Series I connectors offer exceptional durability and performance in harsh environments. Featuring up to 128 contacts in a sealed insert, these connectors are designed for reliable operation in extreme conditions, with an impressive operating temperature range of -65°C to 200°C. Available in various shell sizes and insert arrangements, they accommodate M39029 rear release crimp contacts for secure connections. The connectors come in high-strength aluminum shells with a choice of plating options, including cadmium-free finishes for RoHS compliance. With wall mount and jam nut receptacles, along with RFI grounding plugs, they provide versatile connectivity solutions. Suitable for military and industrial applications, these connectors ensure dependable performance in demanding settings.