MIL-DTL-38999 Series I connectors are designed for rugged environments, featuring up to 128 contacts in a sealed insert. With an operating temperature range of -65 °C to 200 °C, they offer reliable performance in extreme conditions. Available in various shell sizes and insert arrangements, these connectors use rear release crimp contacts for secure connections. The high-strength aluminum shells come in different plating options, including RoHS certified finishes. Offering front wall mount, rear wall mount, and jam nut receptacles, as well as RFI grounding plugs, they provide versatility in installation. With a service rating of M and a contact mating life of 500 cycles, they ensure long-lasting performance in demanding environments. Essential for military and industrial applications, these connectors guarantee reliable electrical connections.