The 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, these connectors offer versatility in installation. Operating between -65 °C and 200 °C, they are environmentally sealed for reliable performance. Using M39029 rear release crimp contacts, they ensure secure connections in sizes 22D, 22M, 22, 20, 16, and 8. Constructed with high-strength aluminum shells, they come in various plating options, including cadmium-free finishes for RoHS compliance. Suitable for military and industrial applications, these connectors provide durability and conductivity, meeting stringent standards for performance and reliability.