Technical Information
Understanding XRP AN Thread Sizes
Use this table to determine the XRP AN thread size before ordering. The chart shows the corresponding metal tube outer diameter and thread size for each size. |
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| Understanding XRP NPT Thread Sizes
Use the figures below to determine the XRP NPT thread size before ordering. The chart shows the corresponding thread size, threads per inch, inner diameter and closest XRP AN fitting size for each. |
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| XRP AN Size | Metal Tube O.D. | Thread Size |
| Pipe Thread Size | Threads Per Inch | Fitting I.D. | Closest XRP AN Fitting Size |
| -3 | 3/16" | 3/8-24 UNJ |
| 1/8" | 27 | 1/8" | -4 |
| -4 | 1/4" | 7/16-20 UNJ |
| 1/4" | 18 | 1/4" | -6 |
| -6 | 3/8" | 9/16-18UNJ |
| 3/8" | 18 | 3/8" | -8 |
| -8 | 1/2" | 3/4-16 UNJ |
| 1/2" | 14 | 1/2" | -10 |
| -10 | 5/8" | 7/8-14 UNJ |
| 3/4" | 14 | 3/4" | -12 |
| -12 | 3/4" | 1-1/16-12 UNJ |
| 1" | 11-1/2 | 1" | -16 |
| -16 | 1" | 1-5/16-12UNJ |
| 1-1/4" | 11-1/2 | 1-1/4" | -20 |
| -20 | 1-1/4" | 1-5/8-12 UNJ |
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While we stock most XRP AN fittings and XRP AN hose, if your looking for something and it's not on the website give us a call. We can usually get any XRP AN fitting in a few days.
See the XRP full catalog for more items
http://www.xrp.com/XRPCatalog.pdf
