The MIL-DTL-38999 Series I connectors offer robust connectivity with up to 128 contacts in an insert, designed for harsh environments. Featuring front and rear wall mount options, as well as jam nut receptacles, they ensure secure installations. Utilizing M39029 rear release crimp contacts, these connectors are available in various sizes and insert arrangements. With high-strength aluminum shells and a choice of plating options, including RoHS certified finishes, they guarantee durability and reliability in extreme conditions. Operating temperatures ranging from -65°C to 200°C make them suitable for a wide range of applications, while their bayonet coupling design ensures easy and efficient mating. Whether used in military or industrial settings, these connectors provide superior performance with their gold-plated contacts, offering conductivity and longevity.