The 1590Z231 is a diecast aluminum enclosure manufactured by Hammond MFG, designed to house and protect electronic components and assemblies. It features internal dimensions of 188.33 mm (7.41 inches) length, 218.02 mm (8.58 inches) width, and 101.50 mm (4.00 inches) depth, with an average wall thickness of 4.50 mm (0.18 inches). The enclosure is supplied as a complete assembly including a box, lid, silicone gasket, 4 cover screws, and 4 ground screws with washers, and accepts M6 machine screws for mounting and grounding. The box and lid are constructed from diecast aluminum alloy, providing excellent electromagnetic shielding and durability for industrial and professional applications. This enclosure is ideal for control systems, instrumentation, power distribution, and other applications requiring robust environmental protection and component organization.