The MIL-DTL-38999 Series I connectors boast up to 128 contacts within an environmentally sealed insert, ensuring reliable performance in harsh conditions. With an operating temperature range spanning from -65 °C to 200 °C, these connectors are suitable for a wide array of applications. Featuring various mounting options including front wall, rear wall, and jam nut receptacles, they offer versatility in installation. The use of M39029 rear release crimp contacts, along with a choice of plating options such as gold, electroless nickel, and cadmium finishes, guarantees optimal conductivity and durability. Made with high strength aluminum shells, these connectors comply with RoHS regulations, providing a sustainable solution for connectivity needs in demanding environments.