SSB antenna mount

Alexander Ramseyer
 

Dear Amelians,
the part at the bottom of my SSB antenna (thread on one side, screwed on the other side) broke. I can't see the manufacturer. The HF is an icon IC 802. 
Does anyone know where I find a replacement or if this is repairable (see picture). 
Regards,
Alex Ramseyer
AMEL 54#15
currently in Florida 

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