MIL-DTL-38999 Series II connectors boast up to 128 contacts housed in an insert, ensuring robust connectivity in harsh environments. With environmental sealing and an impressive operating temperature range of -65 °C to 200 °C, these connectors are designed for reliability in extreme conditions. Available in various mounting options like front and rear wall mount, jam nut, and box mount receptacles, they offer versatility for different applications. The plugs, offered in straight, RFI grounding, and standard configurations with 90-degree cable clamps, cater to diverse connectivity needs. Featuring 9 shell sizes and 52 insert arrangements, they utilize M39029 rear release crimp contacts for secure connections. Crafted from aluminum shells with options for plating finishes like light iridescent yellow cadmium, olive drab cadmium, electroless nickel, and black anodized aluminum, these connectors prioritize durability. RoHS certified cadmium-free finishes are also available, ensuring compliance with environmental standards. With their superior construction and performance, MIL-DTL-38999 Series II connectors are ideal for demanding military and industrial applications.