MIL-DTL-38999 Series I connectors offer robust performance in harsh environments, featuring up to 128 contacts within environmentally sealed inserts. With an operating temperature range from -65 °C to 200 °C, these connectors are versatile and reliable. Available in various shell sizes and insert arrangements, they accommodate M39029 rear release crimp contacts, ensuring secure connections. Constructed with high-strength aluminum shells and offering multiple plating options, including RoHS-certified finishes, these connectors guarantee durability. Whether in military or industrial applications, their Bayonet coupling and box mounting design provide ease of use and installation. With gold-plated contacts and a service life of 500 cycles, these connectors deliver optimal conductivity and longevity. Perfect for demanding environments, they offer reliable performance for critical applications.