43R

43r is an alphanumeric string that is commonly used as a designation in catalogs, engineering drawings, and software versioning. There is no single, widely accepted definition of 43r; its meaning depends on the context in which it appears.

In manufacturing and supply chains, 43r often serves as a part number, batch code, or internal reference. It may identify a specific component, variant, or production lot within a product line. In consumer electronics, automotive parts, and industrial equipment, similar patterns (numbers combined with a trailing letter) are used to differentiate revisions or variants of a base item.

In software and documentation, 43r can appear as a version string or release tag, indicating a particular revision from development or a minor update. In logistics or inventory management, codes like 43r may be used to designate warehouses, routes, or storage locations depending on a company's coding scheme.

Because the string is not unique to any domain, determining its meaning requires additional context such as the issuer, product family, or catalog. When encountering 43r, consult accompanying documentation, catalogs, or identifier registries to map the code to a specific item or revision.

See also: R-43, 43R (disambiguation).