On 22/10/2019 18:47, Rednadnerb wrote:
So if the ptfe is doing nothing then epoxy putty and silicone wouldn't do anything either.
What about doubling up on the washer?
It is for a customer so I can't try it at the moment.


What about screwing on the nut from a 1/2 inch (?) brass compression
fitting first to see if that cleans up or re-cuts the thread and
restores some of the roundness to the D shaped connector. Sometimes the
hose connectors are chrome plated plastic that will easily distort to
match the harder mating connector and/or it may appear to be tight when
it meets a damaged portion of thread where in fact on an undamaged
thread you may have been able to get more turns to fully seat the washer.

As you say, my second attempted fix would be to double washer or at
least remove the washer and turn it over.

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