"Upscale" wrote:

I've just picked up a new portable compressor, hose and an array of
fittings
~ all connections will be brass to brass. Do I need plumber's tape
for these
fittings or should I be fine with just the brass to brass?

If you are referring to teflon tape, avoid it like the plague.

You want teflon paste.

Yes, you want to seal the thread connections.

Lew