The MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring up to 128 contacts in an insert. With front wall mount, rear wall mount, and jam nut receptacles, they offer versatility in installation. Operating in temperatures ranging from -65 °C to 200 °C, these connectors are ideal for demanding applications. Built for durability, they come in high strength aluminum shells with various plating options, including cadmium-free finishes. Utilizing M39029 rear release crimp contacts, they ensure reliable connectivity. RoHS compliant and offering excellent ingress protection, these connectors are suitable for a wide range of military and industrial applications.