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 receptacles and jam nut plugs, they meet military specification standards for reliability. With a wide range of shell sizes and insert arrangements, these connectors utilize rear release crimp contacts and come in high strength aluminum shells. Various plating options, including cadmium-free finishes, ensure durability and performance in demanding applications. Operating temperatures ranging from -65 °C to 175 °C, along with environmental sealing, make them suitable for a diverse range of industries.