2-1/2-7.5NH vs G3: specs compared
Updated 05 September 2026.
87.884 mm
G3 wins on major diameter
On major diameter, G3 leads: 87.884 mm versus 77.94 mm.
| Spec | 2-1/2-7.5NH | G3 |
|---|---|---|
| Designation | 2-1/2-7.5NH | G3 |
| Major diameter | 77.94 mm | 87.884 mm |
| Threads per inch / pitch | 7.5 | 11 |
| Thread form | straight (parallel), 60 degree | parallel, 55 degree |
| Seals on | rubber gasket in the female swivel | flat washer or bonded seal on the face |
Questions and answers
Which has the higher major diameter, 2-1/2-7.5NH or G3?
On major diameter, G3 leads: 87.884 mm versus 77.94 mm.
How do 2-1/2-7.5NH and G3 compare?
On major diameter, G3 leads: 87.884 mm versus 77.94 mm.