AN Size |
Hose Size |
Thread Size |
-3 | 3/16 | 3/8-24 SAE |
-4 | 1/4 | 7/16-20 SAE |
-6 | 3/8 | 9/16-18 SAE |
-8 | 1/2 | 3/4-16 SAE |
-10 | 5/8 | 7/8-14 SAE |
-12 | 3/4 | 1-1/16 SAE |
-16 | 1 | 1-5/16 SAE |
-20 | 1-1/4 | 1-5/8 SAE |
"NPT" (National Pipe Thread) Thread Size Chart
Pipe Thread | Threads per Inch | Inside Dia. |
1/8 | 27 | 1/8 |
1/4 | 18 | 1/4 |
3/8 | 18 | 3/8 |
1/2 | 14 | 1/2 |
3/4 | 14 | 3/4 |
1 | 11-1/2 | 1 |