The MIL-DTL-38999 Series I connectors feature up to 128 contacts in an environmentally sealed insert, 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 plating options including light iridescent yellow cadmium, olive drab cadmium, electroless nickel, and black anodized aluminum, catering to diverse needs. With RoHS certified cadmium-free finishes, they ensure compliance with environmental regulations. The rear wall mount receptacles, part of this connector family, are ideal for secure installations in military and aerospace systems, featuring gold-plated removable crimp contacts for reliable conductivity. Their bayonet mating type and N keyway polarization facilitate easy and secure connections. Meeting MIL-DTL-38999 I specifications, these connectors guarantee performance and durability in demanding environments.