MIL-DTL-38999 Series I connectors offer a robust solution for harsh environments, featuring up to 128 contacts in an insert. These connectors are designed for reliable performance in extreme conditions, with an operating temperature range from -65 °C to 200 °C. Available in various shell sizes and insert arrangements, they come with M39029 rear release crimp contacts, ensuring secure and efficient connections. The high-strength aluminum shells are offered in multiple plating options, including cadmium-free finishes, meeting RoHS certification. With front and rear wall mount options, as well as jam nut receptacles and RFI grounding plugs, these connectors provide versatility for different mounting requirements. Suitable for military and industrial applications, they guarantee durability and longevity, with a conductivity rating of conductive and ingress protection against environmental factors.