On Thu, 23 Aug 2007 07:01:48 -0500, Nick Hull wrote:

I'd like to get a hold of one 4-48 screw to test to see if it
fits into the business (test contact) end of a Federal test
indicator I have.

If this is a dial indicator - this type..
http://www.measurenow.com/images/Mah...c--320x240.jpg
then the standard female thread on the end the stem is 4-48.

--
Ned Simmons