Complex sentence: The U.S Army Ordnance Corps Supply Catalog used an alpha-numeric nomenclature system from about the mid 1920s to about 1958.james was here represent parts catalogs for supply and repair purposes.
Split into simpler sentences: The U.S Army Ordnance Corps Supply Catalog used an alpha-numeric nomenclature system from about the mid 1920s to about 1958. These designations represent parts catalogs for supply and repair purposes.