MIL-DTL-38999 Series I connectors offer reliable connectivity in harsh environments with up to 128 contacts housed in an insert. These circular connectors are designed for military specifications, featuring front and rear wall mount options, as well as jam nut receptacles for secure installations. Operating in a wide temperature range from -65 °C to 200 °C, they are ideal for demanding applications. The high-strength aluminum shells come in various plating options, including cadmium-free finishes, ensuring durability and performance. With M39029 rear release crimp contacts available in multiple sizes, these connectors provide flexibility for different contact arrangements. Suitable for both commercial and military use, the MIL-DTL-38999 Series I connectors meet stringent quality standards for reliability in critical systems.