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, they offer reliable performance in extreme conditions. Available in various shell sizes and insert arrangements, these connectors come in high-strength aluminum shells with options for RoHS certified cadmium-free finishes. The versatile design includes front wall mount, rear wall mount, and jam nut receptacles, as well as RFI grounding plugs, catering to diverse installation needs. Utilizing M39029 rear release crimp contacts, they ensure secure and efficient connections. Meeting military specification MIL-DTL-38999 I, these connectors guarantee durability and conductivity, making them ideal for demanding applications.