MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring up to 128 contacts within an insert and offering front wall mount, rear wall mount, and jam nut receptacles with RFI grounding plugs. These connectors are environmentally sealed and constructed with high-strength aluminum shells, providing reliable performance in extreme conditions. With an operating temperature range from -65 °C to 200 °C, they are suitable for a wide range of applications. Available in various plating options, including RoHS-certified cadmium-free finishes, these connectors ensure both durability and compliance with environmental standards. The M39029 rear release crimp contacts, in sizes 22D, 22M, 22, 20, 16, and 8, allow for secure and efficient connectivity. Suitable for military and industrial use, MIL-DTL-38999 Series I connectors are a dependable choice for demanding electronic systems.