MIL-DTL-38999 Series I connectors offer robust connectivity with up to 128 contacts in a sealed insert. Designed for harsh environments, they operate reliably in temperatures ranging from -65°C to 200°C. Featuring front and rear wall mount options, as well as jam nut receptacles for secure installation, these connectors meet stringent military specifications. Available in various shell sizes and insert arrangements, they utilize M39029 rear release crimp contacts for efficient assembly. The high-strength aluminum shells come in a range of plating options, including cadmium-free finishes for RoHS compliance, ensuring durability and performance in demanding applications.