The MIL-DTL-38999 Series I connectors offer high-performance connectivity with up to 128 contacts in a rugged, environmentally sealed design. Built for harsh environments, these connectors feature front and rear wall mount options, along with jam nut receptacles and RFI grounding plugs. With a wide operating temperature range of -65°C to 200°C, they are suitable for demanding applications. Available in nine shell sizes and 52 insert arrangements, these connectors use M39029 rear release crimp contacts in various sizes. The high-strength aluminum shells come in a range of plating options, including cadmium-free finishes. Meeting MIL-DTL-38999 I standards, these connectors ensure reliable performance in critical military and industrial settings.