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Need Info on AN fitting O' Rings.

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Old Oct 23, 2009 | 03:33 PM
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Default Need Info on AN fitting O' Rings.

I am putting my fuel system together and I need various O'Rings for all my male AN fittings. AN-6, AN-8, AN-10, AN-12. I need to know the ID and OD of each of the O' Rings so I can tell my supplier what I need. Are there any links that will give me the info I need?

Thanks,
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Old Oct 23, 2009 | 04:10 PM
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Most fittings with orings { ORB Fittings} Are machined Differently then non oring style just so you know.

I hate playing musical fittings.
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Old Oct 23, 2009 | 06:31 PM
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Originally Posted by DAS1998
Most fittings with orings { ORB Fittings} Are machined Differently then non oring style just so you know.

I hate playing musical fittings.
Yeah me too!

These are the fittings i have.

http://www.runroadrunner.com/id83.html
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Old Oct 24, 2009 | 01:07 AM
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Originally Posted by Dwn Cam
Yeah me too!

These are the fittings i have.

http://www.runroadrunner.com/id83.html
Umm, those fittings don't require o rings. The sealing surface is the 37* flare. No sealant of any type is to be used either.
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Old Oct 25, 2009 | 05:40 PM
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That's originally what I thought, but the shop installing
the system was asking for them.
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Old Oct 30, 2009 | 10:55 PM
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Originally Posted by Dwn Cam
That's originally what I thought, but the shop installing
the system was asking for them.
I'm thinking someone at the shop doesn't know what they're doing, the fittings in the link you provided don't use o-rings.

As ak95ta said, an AN fitting has a 37º flare sealing surface, no o-rings are necessary and don't use any type of sealant. We use a lot of these type fittings on our street rods, especially in the brake & fuel systems.

Mike
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Old Oct 31, 2009 | 07:48 AM
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Originally Posted by Mike52
I'm thinking someone at the shop doesn't know what they're doing, the fittings in the link you provided don't use o-rings.

As ak95ta said, an AN fitting has a 37º flare sealing surface, no o-rings are necessary and don't use any type of sealant. We use a lot of these type fittings on our street rods, especially in the brake & fuel systems.

Mike
none of the fittings in the link provided use a o ring. this is the type of fitting that use an oring.
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Old Oct 31, 2009 | 07:56 AM
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I have a different AN fitting question. What fitting would I use to go from a 3/8 fuel line with a factory flare fitting on the end? They aren't the same as NPT are they?

Thanks
Mark
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Old Oct 31, 2009 | 09:32 AM
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Originally Posted by Thealien
I have a different AN fitting question. What fitting would I use to go from a 3/8 fuel line with a factory flare fitting on the end? They aren't the same as NPT are they?

Thanks
Mark
NPT is national pipe thread.. no flares, heres what i like to go from OEM to AN
http://www.russellperformance.com/mc.../640850_lg.jpg
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Old Oct 31, 2009 | 02:01 PM
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Originally Posted by FICINJECTORS
NPT is national pipe thread.. no flares, heres what i like to go from OEM to AN
http://www.russellperformance.com/mc.../640850_lg.jpg
I already planned on using those on my fuel rail and regulator/filter. I am swapping a 5.3 into a 1972 Jimmy and have to do a whole new fuel delivery. I know they make a compression fitting to go from 3/8 or 5/16 hard line to AN Hose. I was just wondering if I bought a piece of fuel line with a factory flare fitting on it is there a fitting to go to AN? I just think something like that would be better than a straight compression

This is the closest I can find and says to aluminum tube?


HERE
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Old Oct 31, 2009 | 02:50 PM
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Originally Posted by Thealien
I already planned on using those on my fuel rail and regulator/filter. I am swapping a 5.3 into a 1972 Jimmy and have to do a whole new fuel delivery. I know they make a compression fitting to go from 3/8 or 5/16 hard line to AN Hose. I was just wondering if I bought a piece of fuel line with a factory flare fitting on it is there a fitting to go to AN? I just think something like that would be better than a straight compression

This is the closest I can find and says to aluminum tube?


HERE
an to inverted flare is what you need.. i believe its on this page of Russell catalog
http://www.russellperformance.com/mc...fit/fuel.shtml
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Old Oct 31, 2009 | 03:32 PM
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Thank you. Do you see any issue doing it that way?
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