MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring up to 128 contacts in an insert suitable for a wide range of applications. With an operating temperature spanning from -65 °C to 200 °C, they offer reliable performance in extreme conditions. Available in various shell sizes and insert arrangements, these connectors come in aluminum shells with options for different plating finishes, including RoHS-certified cadmium-free coatings. The connectors are environmentally sealed and include front wall mount, rear wall mount, and jam nut receptacles, along with RFI grounding plugs for added versatility. Utilizing M39029 rear release crimp contacts, they ensure secure and efficient connections. Suitable for military and industrial use, these connectors meet MIL-DTL-38999 I specifications, providing exceptional durability and conductivity.