The MIL-DTL-38999 Series I connectors offer robust connectivity solutions for harsh environments, featuring up to 128 contacts in an environmentally sealed insert. With an operating temperature range spanning from -65 °C to 200 °C, these connectors are designed for durability. Available in various configurations including front and rear wall mount receptacles, as well as jam nut receptacles, they cater to diverse installation needs. Utilizing M39029 rear release crimp contacts in sizes 22D, 22M, 22, 20, 16, and 8, they ensure reliable performance. The connectors come in high strength aluminum shells with plating options such as electroless nickel and cadmium finishes. Meeting stringent military specifications, they are ideal for demanding applications requiring secure and efficient connections.