The MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring up to 128 contacts in an insert. With front wall mount, rear wall mount, and jam nut receptacles, they offer versatility in connectivity. Operating between -65 °C and 200 °C, these connectors are environmentally sealed for reliable performance. Utilizing M39029 rear release crimp contacts, they ensure secure connections in sizes 22D, 22M, 22, 20, 16, and 8. The high strength aluminum shells come in various plating options, including cadmium-free finishes, meeting different environmental regulations. With RoHS certification, these connectors are ideal for demanding applications requiring durability and stability.