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 of -65°C to 200°C, these connectors are suitable for a wide range of applications. Available in various shell sizes and insert arrangements, they offer versatility in design. Constructed with high-strength aluminum shells and offering multiple plating options, including RoHS certified finishes, they ensure durability and reliability. The connectors come in different mounting styles, including front wall mount, rear wall mount, and jam nut receptacles, all with RFI grounding plugs. Utilizing M39029 rear release crimp contacts, they provide secure connections. With features like bayonet coupling and gold contact plating, they guarantee efficient performance in demanding conditions. Whether for military or industrial use, the MIL-DTL-38999 Series I connectors deliver outstanding functionality.