AC-424 is an aluminum chassis enclosure manufactured by Bud Industries, featuring Type B construction with dimensions of 12.000 inches (A) × 8.000 inches (B) × 3.000 inches (C). The chassis is fabricated from natural finish aluminum with a gauge thickness of 0.050 inches and weighs 1.250 pounds. It includes pre-drilled holes that accept #8 sheetmetal screws, with optional mounting bracket holes (0.219 inch diameter) and bottom plate holes (0.136 inch diameter) for flexible installation configurations. This enclosure is ideal for housing electronic components, control systems, and instrumentation equipment where a compact, durable aluminum housing is required for protection and organization of internal circuitry.