MIL-DTL-38999 Series I connectors are rugged and reliable, designed for harsh environments with up to 128 contacts in a single insert. These circular receptacles come in various mounting options and feature RFI grounding plugs for secure connections. Operating in temperatures ranging from -65°C to 200°C, they are suitable for demanding applications. With M39029 rear release crimp contacts, these connectors ensure efficient and durable connectivity. Available in different shell sizes and plating options, including RoHS compliant finishes, they offer versatility for diverse needs. The high-strength aluminum shells provide durability, making them ideal for military and industrial use.