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