AC-433 is an aluminum chassis enclosure manufactured by Bud Industries, featuring Type B construction with dimensions of 17.0 inches (length) × 6.0 inches (width) × 3.0 inches (height). The chassis is constructed from natural-finish aluminum with a gauge thickness of 0.050 inches, providing a robust and lightweight housing solution. It includes pre-drilled holes that accept #8 sheetmetal screws, optional mounting bracket holes (0.219 inch diameter), and optional bottom plate holes (0.136 inch diameter) for flexible installation configurations. With a weight of 1.250 pounds, this chassis is ideal for housing electronic components, control systems, and instrumentation equipment where durability and compact form factor are essential.