MIL-DTL-38999 Series I connectors feature up to 128 environmentally sealed contacts, designed for harsh environments with an operating temperature range of -65 °C to 200 °C. Available in various shell sizes and insert arrangements, they offer versatility for different applications. These connectors 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, they provide secure connections. Utilizing M39029 rear release crimp contacts, they ensure reliable performance. Suitable for military and industrial use, these connectors meet MIL-DTL-38999 I specifications, providing durability and conductivity in demanding environments.