3/8" NPT National Pipe Tapered Thread Steel Allen Plugs
Dimensions for pipe thread are at the bottom of the page
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Description
NPT - National Pipe Tapered thread. Always remember that pipe thread fittings are measured INSIDE diameter not outside diameter of the threads. See diagram at bottom of this page.
Related Parts
Pipe Thread Dimensions:
1/16" NPT is 1/16" I.D. / 0.313 O.D.
1/8" NPT is 1/8" I.D. / 0.405" O.D.
1/4" NPT is 1/4" I.D. / 0.540" O.D.
3/8" NPT is 3/8" I.D. / 0.675" O.D.
1/2" NPT is 1/2" I.D. / 0.840" O.D.
3/4" NPT is 3/4" I.D. / 1.050" O.D.
1" NPT is 1" I.D. / 1.315" O.D.
1-1/4" NPT is 1-1/4" I.D. / 1.660" O.D.
1-1/2" NPT is 1-1/2" I.D. / 1.900" O.D.
2" NPT is 2" I.D. / 2.375" O.D.
1/16" NPT is 1/16" I.D. / 0.313 O.D.
1/8" NPT is 1/8" I.D. / 0.405" O.D.
1/4" NPT is 1/4" I.D. / 0.540" O.D.
3/8" NPT is 3/8" I.D. / 0.675" O.D.
1/2" NPT is 1/2" I.D. / 0.840" O.D.
3/4" NPT is 3/4" I.D. / 1.050" O.D.
1" NPT is 1" I.D. / 1.315" O.D.
1-1/4" NPT is 1-1/4" I.D. / 1.660" O.D.
1-1/2" NPT is 1-1/2" I.D. / 1.900" O.D.
2" NPT is 2" I.D. / 2.375" O.D.