The 515-1301-01-25F is a flat-type panel-mount lens. This RoHS compliant component is manufactured from clear polycarbonate and features a polished surface with an SPI A1 finish. It has a length (Dimension A) of 0.125 inches and a base dimension (Dimension B) of 0.100 inches. The design incorporates four ribs spaced 90 degrees apart for secure installation into a recommended mounting hole of 0.115 inches. This lens is ideal for directing light from a source to a user interface or display panel in various electronic assemblies.