AN fittings
 

Can someone explain to me the numbering scheme for AN fittings. What does a 6 AN mean? 6 millimetes ID or OD or what....

Thanks

AN (Army-Navy) number simply stands for 16 ths of an inch, so -08 = 8/16" which = 1/2"

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1984 Mustang Top Fueler with Flowmaster's

Thanks for the education... is the number for a inner dimension or an outer?

Opps! That would have to be 'ID'

Actually, the size corresponds with the OD of hard tubing. -8AN is 1/2 inch tubing, whether its 0.035" wall, 0.065" wall or any other wall. With flex lines, it really doesn't correspond with anything other than a nominal hose/line size. A -8 braided hose has neither a .500" ID nor a .500" OD, but its OD is in the general neighborhood of 1/2 inch.

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Jeff Chambers
Trophy Stock #3
11.97 Seconds / 114.5 MPH
Chambers Racing Team

This is amost informative thread. Thanks to all.

Rev

The "dash" sizes are used in all types of hydraulic hose/fitting/tubing, like AN, JIC, SAE, pipe thread, etc.

Now, can anyone tell me what degree the taper is on the nose or seat of the fitting? I'm not sure if AN is the same as JIC which is 37 degrees or SAE which is 45 degrees. The threads are the same for both.

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91 coupe
3.73's,long tubes,2 1/2" exh,ported stock t-body,ProM-77mm
cobra intake,edelbrock heads,B303,1.72 rr's
36lb inj's,tremec, & a Paxton NOVI 2000!!!
11.020 @128.95 on BFG Drag Radials (275/60/15)



[This message has been edited by SisuStang (edited 01-24-2001).]

AN is 37 degrees.

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1993 GT/AOD
'93 Mustang GT

Thanks for the correction Jeff.

To all who have contributed to this tread. THANK YOU!!!! I received a very complete education. This really shows the power of this site!!

Thanks Mach 1, you just made my day!

I have lots of JIC stuff around here at work, & it looks like AN is the same as JIC!!!!

Your welcome, glad to help.