AN fitting sizes

MorePowerPlease · 2007-03-22 00:58:09

How do you tell the size of a AN fitting (ie -6, -8 etc.). :eyes:

03-21-2007, 07:58 PM

Staging Lane

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AN fitting sizes

How do you tell the size of a AN fitting (ie -6, -8 etc.).

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03-21-2007, 08:58 PM

TheBlurLS1

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Check out the ID. -AN sizes are in 1/16th's of an inch. -8AN = 1/2" -6AN = 3/8" etc.

I believe the AN sizes were invented by the military ("give me an 8"), read that somewhere.

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03-21-2007, 10:00 PM

LS69TA

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Yea, AN=Army/Navy

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03-22-2007, 12:12 AM

orangeapeel

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Who decided on NPT fittings then smart guys?

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03-22-2007, 07:08 AM

TheBlurLS1

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Quote:

Originally Posted by orangeapeel

Who decided on NPT fittings then smart guys?

Probably ASME (american society of mechanical engineers) or some pipefitters union. Stands for national pipe threads BTW.

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