NPS O.D.
1/8 0.405
1/4 0.540
3/8 0.675
1/2 0.840
3/4 1.050
1 1.315
1-1/4 1.660
1-1/2 1.900
2 2.375
2-1/2 2.875
3 3.500
3-1/2 4.000
4 4.500
5 5.563
6 6.625
8 8.625
10 10.75
12 12.75
14 14.0
16 16.0
18 18.0
20 20.0
24 24.0