Newlong parts with Letter A

The letter A in Newlong Parts number stand for Assembly. (often written as Ass y For Example. Such examples are 304082 and 304082A where 304082A has the needle bearings pre installed. 304082 is the same part but does not have the needle bearings installed and have to be purchased seperately and installed into the the spare part. The picture shows 034014A which is an assemble part.