Need help ID-ing a part

[jdelcast]

Just new into woodworking and I bought an old lathe (don't know manufacturer). Im looking for the part in the picture. Does any know what that's called? It attaches to the spindle shaft.

[aametalmaster]

Its a spindle adaptor to use a larger threaded chuck on your smaller threaded spindle...Bob

[jdelcast]

Its a spindle adaptor to use a larger threaded chuck on your smaller threaded spindle...Bob

Thank you!! That was a big help!