MIL-DTL-38999 Series I connectors are designed for rugged environments, featuring up to 128 contacts within a sealed insert. Operating efficiently in temperatures ranging from -65 °C to 200 °C, they offer reliable connectivity in harsh conditions. Available in various shell sizes and insert arrangements, these connectors come with M39029 rear release crimp contacts for secure attachment. With options for RoHS certified finishes, such as cadmium-free coatings, they ensure environmental compliance. The high-strength aluminum shells, in finishes like electroless nickel, provide durability and performance. Suitable for military and industrial applications, these connectors, with bayonet coupling and straight plug configurations, guarantee dependable electrical connectivity in demanding settings.