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Mart · 11-27-2012, 08:41 AM

For what it's worth, for future reference, Not all are 3/8 NPT. Don't know if it's a UK thing, but my 37 style 21 stud heads (Wartime build or Pilot) are 5/8" UNF. But as far as I know, If the thread is not the one, it will be the other.

Mart.

11-27-2012, 08:41 AM	#3
Mart Senior Member Join Date: May 2010 Location: Solihull, England. Posts: 9,240	Re: Temp sender thread size? For what it's worth, for future reference, Not all are 3/8 NPT. Don't know if it's a UK thing, but my 37 style 21 stud heads (Wartime build or Pilot) are 5/8" UNF. But as far as I know, If the thread is not the one, it will be the other. Mart.