Aw, you caught me trolling and now you're playing the straight man!
I was talking about all the mortgages that were underwater after 2008, and I guess millions still are.
It seems logical, if they make surface mount jacks, they must make submarine mount jacks... eh???
I'm sure Tony was talking about DeoxIT, like Stormy. I think the one you apply to contacts has been called Liquid Gold. The trouble is the price, about $25 for 7ml.
When we hit port, we'd hook up phone cables from shore to ship and to the quarterdeck shack, like a big phone booth on the pier. Electricians did that. I was in electronics. We did connections for radio and radar antennas. I don't remember any gold plating. We depended on silicone grease, RTV, and special tape.
I think you'll do fine with grease.