bloc
SILVER Star
My next move would be to carefully start destroying it in a way that doesn’t damage the housing or the inner support tube.I have it. That is what sheered all the tabs off. It will not grip it now.
A hole drilled on one of the flats would provide a solid place to get it moving with a rectangular flat end punch and hammer. If that didn’t work I’d start dismantling it with a cold chisel.
Obviously all of this assumes you have the new part on hand to replace it.