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Bruce Lancaster · 07-24-2015, 03:45 PM

Interesting! The modern grading system wasn't in place then, and the thread fit classes were similar to but not identical to the modern.
One thing is that it is listed as a "standard part," meaning normal hardware, rather than with a Ford part number as specially designed hardware received. Same piece served through 1948, and late in its run a very high torque spec was released...up close to 200 ft, lbs. Obviously it was made of good stuff to survive that...

07-24-2015, 03:45 PM	#3
Bruce Lancaster Member Emeritus Join Date: May 2010 Location: Madison, NJ Posts: 5,230	Re: Old time metallurgy.. Or metallurgist. Interesting! The modern grading system wasn't in place then, and the thread fit classes were similar to but not identical to the modern. One thing is that it is listed as a "standard part," meaning normal hardware, rather than with a Ford part number as specially designed hardware received. Same piece served through 1948, and late in its run a very high torque spec was released...up close to 200 ft, lbs. Obviously it was made of good stuff to survive that...