GOST 2405-72 was replaced by . This standard could mean a few different things depending on what you are looking for. Did you mean the original 1972 standard or the current 1988 version ?
Please clarify which version you are looking for before I provide an answer. You can also specify if you need the full text or specific technical parameters. GOST 2405-88 - Runorm gost 2405 75