MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring up to 128 contacts in an insert. With front and rear wall mount options, as well as jam nut receptacles, they offer versatile connectivity solutions. These connectors are environmentally sealed, operating efficiently in temperatures ranging from -65 °C to 200 °C. Utilizing M39029 rear release crimp contacts, they ensure secure and reliable connections. Available in various shell sizes and insert arrangements, they accommodate different needs with ease. Constructed with high-strength aluminum shells and offering plating options such as cadmium and nickel, they provide durability and performance. Suitable for military and industrial applications, these connectors meet stringent standards for quality and reliability.