The 251-7538-15-504 is a holder component designed for panel mount indicators. As part of Dialight's 251 series, this holder is specifically intended for use with the DATA LITE sub-product line, which accommodates both incandescent and neon indicators. This component is specified as a base configuration holder. Intended for worldwide use, it serves as a foundational piece for building complete panel indicator assemblies in various industrial and electronic applications. The product is UL recognized and manufactured under ISO 9001 standards, ensuring quality and reliability.