CI Tip seal and spring on Xtr EI 350 source?

I've just tried to install a new column and there is a ceramic tip seal and spring in use on the xtr ei 350 source in my 7000C.  The transfer line socket cone is missing.  Is this an acceptable set up?  Should I purchase a new transfer line socket and get rid of the ceramic tip seal? If so, what is the part number for this piece?  Additionally, if the tip seal is ok to use, I would like to replace the ceramic piece as there are some black markings on it. What is the part number for this?  I have a CI source, but it is not installed currently.  Thank you!

I've attached a picture I found online of what the tip seal looks like

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