2-11.5NPSH vs 2-11.5 NPT: specs compared
Updated 05 September 2026.
60.32 mm
2-11.5 NPT wins on major diameter
On major diameter, 2-11.5 NPT leads: 60.32 mm versus 59.74 mm.
| Spec | 2-11.5NPSH | 2-11.5 NPT |
|---|---|---|
| Designation | 2-11.5NPSH | 2-11.5 NPT |
| Major diameter | 59.74 mm | 60.32 mm |
| Threads per inch / pitch | 11.5 | 11.5 |
| Thread form | straight (parallel), 60 degree | tapered, 60 degree |
| Seals on | gasket in the coupling | on the thread flanks with PTFE tape |
Questions and answers
Which has the higher major diameter, 2-11.5NPSH or 2-11.5 NPT?
On major diameter, 2-11.5 NPT leads: 60.32 mm versus 59.74 mm.
How do 2-11.5NPSH and 2-11.5 NPT compare?
On major diameter, 2-11.5 NPT leads: 60.32 mm versus 59.74 mm.