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"NA" THREAD CALLOUT 1

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rcskswc

rcskswc

Mechanical
Joined
May 31, 2012
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We have come across a thread callout, 2.9375-8NA 3G. What does the "NA" stand for?
 
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Acme thread. Get a Machinery's Handbook and look it up.
 
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National Acme
Used instead of “ACME” probably since 1997 when ASME B 1.5 was updated
 
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Is there an International Acme?

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The Help for this program was created in Windows Help format, which depends on a feature that isn't included in this version of Windows.
 
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