Section

Legacy documents

How to match an old component number to the title, date and standard printed on a document you already hold.

Three closed gray binders, a pencil and an unlabeled pipe fitting on a wooden table

Start here

Keep the paper next to the number, and copy the title, date and standard printed on it.

Reading legacy part numbers says what to copy off a document you hold: title, date, language and any standard the page names. Cross-checking legacy cylinder mounting dimensions checks end-cap bolt pitch, centering spigot, piston rod thread, and port thread form on a physical cylinder.