The MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring up to 128 contacts in an environmentally sealed insert. With an operating temperature range of -65°C to 200°C, these connectors offer reliable performance in extreme conditions. Available in various shell sizes and insert arrangements, they come in high-strength aluminum shells with options for plating, including cadmium-free finishes. With front wall mount, rear wall mount, and jam nut receptacles, as well as RFI grounding plugs, these connectors are versatile for different mounting needs. Utilizing M39029 rear release crimp contacts, they ensure secure connections. Meeting military specification MIL-DTL-38999 I, these connectors are ideal for applications requiring durability and conductivity.