The 145 is a steel locknut intended to connect 1-1/2 inch externally threaded rigid/IMC conduit or a connector to a threadless opening in a box or enclosure. Constructed from hardened steel, it is designed to be tightened without deformation, ensuring a secure and lasting fit. This component has an outer dimension (Dimension A) of 2-1/2 inches and a thickness (Dimension B) of 13/64 inches. Its primary application is to effectively bond the conduit or connector to the enclosure, providing mechanical security and electrical continuity. The locknut is UL certified and RoHS compliant, making it suitable for various industrial and commercial electrical installations.