Topic: Thread size and pitch


Rigley    -- 11-03-2014 @ 4:48 PM
  I need to chase the threads on a fuel sender flange on a 53 Customline. Can anyone tell me what threads it is?


trjford8    -- 11-03-2014 @ 7:05 PM
  As I recall they are 10-32. If I am not mistaken it may be a "dead hole", so you may need a bottoming tap.

This message was edited by trjford8 on 11-3-14 @ 7:06 PM


efv8kid    -- 11-04-2014 @ 7:50 AM
  I don't know the thread pitch but if it involves measuring any fluid I would bet its either a 1/4 NPT or 3/8 NPT, you cannot use standard machine threads on anything that involves fluid or pressure, if you do the threads will not seal. 1/4-18 and 3/8-18 are the standard for National Pipe Thread (or NTPT or National Tapered Pipe Thread)


TomO    -- 11-04-2014 @ 10:39 AM
  Tom J gave you the correct answer, the fuel sending unit flange screws are 10-32 and there are no holes in the tank, just the flange, so you will need a bottoming tap.

Tom


efv8kid    -- 11-06-2014 @ 5:19 AM
  Sorry, didn't read close enough for the "flange" part.


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