MIL-DTL-38999 Series I connectors offer high-performance connectivity in harsh environments, featuring up to 128 contacts within an environmentally sealed insert. With an operating temperature range of -65°C to 200°C, these connectors are designed for durability. Available in various shell sizes and insert arrangements, they accommodate M39029 rear release crimp contacts, ensuring secure and reliable connections. Constructed with high-strength aluminum shells and offered in a range of plating options, including cadmium-free finishes, these connectors meet stringent military specifications. Suitable for front wall mount, rear wall mount, and jam nut receptacles, they provide versatile solutions for demanding applications.