Seaya
Mechanical
- Jul 15, 2010
- 3
Does anyone know of a good website that helps explain the "N", "NA", "NPT", "NS", "NV", and "N3" stamps in regards to when one is used over the next and to refernece further definition under the respective symbology? Examples would be a great refernece but all I have been able to readily find are basic / brief definitions.