The 1590Z166BK is a black diecast aluminum enclosure designed for housing and protecting electronic components and assemblies. It features internal dimensions of 317.69 mm (12.51 inches) length, 144.70 mm (5.70 inches) width, and 82.00 mm (3.23 inches) depth, with an average wall thickness of 4.00 mm (0.16 inches). The enclosure is constructed from diecast aluminum alloy and includes a box, lid, pre-formed silicone gasket, 4 cover screws, and 4 ground screws with washers in the purchased assembly. It accepts M6 machine screws for mounting and features M6 ground screw provisions, with a recommended cover screw torque of 15–17 lbf·in (150–170 cN·m). This enclosure is ideal for industrial control systems, instrumentation, telecommunications equipment, and other applications requiring robust environmental protection and electromagnetic shielding.