Originally Posted by
mike_s
Exactly wrong. Torque specifications are given for clean, dry threads unless otherwise specified.
That's true for SAE, DIN, and JIS standards, as well as the aviation industry.
Example: "Be sure the bolt and nut threads are clean and dry, unless otherwise specified by the manufacturer." (FAA AC 43.13-1B, 7-40b)
I agree, if the 43.13 says it, then it's gospel. You happen to be an A & P....?