MIL-DTL-38999 Series I connectors offer robust performance in harsh environments, with up to 128 contacts housed in a sealed insert. Designed for durability, they operate seamlessly in temperatures ranging from -65°C to 200°C. Featuring front and rear wall mount options, as well as jam nut receptacles and RFI grounding plugs, these connectors are versatile. With 52 insert arrangements and M39029 rear release crimp contacts, they ensure reliable connectivity. The high-strength aluminum shells come in various plating options, including cadmium-free finishes for RoHS compliance. Suitable for military and industrial applications, these connectors guarantee longevity and performance in demanding conditions.