Keystone Electronics Corp. 1.5" (40mm) Fan Guard 8445

The 8445 is a plastic fan guard designed for a 1.5-inch (40 mm) fan, constructed from glass-filled nylon 6/6 with UL 94V-HB rating. It features four countersunk mounting holes with .177-inch (4.5 mm) diameter centers spaced 1.260 inches (32.0 mm) apart, a width of 1.681 inches (42.7 mm), and a thickness of 0.169 inch (4.3 mm). The guard is built to withstand high impact and reduce fan noise while providing mechanical protection to the fan blades.