4-1/2-4NH vs M22 x 1 female: specs compared
Updated 05 September 2026.
146.3 mm
4-1/2-4NH wins on major diameter
On major diameter, 4-1/2-4NH leads: 146.3 mm versus 22 mm.
| Spec | 4-1/2-4NH | M22 x 1 female |
|---|---|---|
| Designation | 4-1/2-4NH | M22 x 1 female |
| Major diameter | 146.3 mm | 22.0 mm |
| Threads per inch / pitch | 4 | 1 mm pitch |
| Thread form | straight (parallel), 60 degree | fine parallel |
| Seals on | rubber gasket in the female swivel | washer inside the aerator housing |
Questions and answers
Which has the higher major diameter, 4-1/2-4NH or M22 x 1 female?
On major diameter, 4-1/2-4NH leads: 146.3 mm versus 22 mm.
How do 4-1/2-4NH and M22 x 1 female compare?
On major diameter, 4-1/2-4NH leads: 146.3 mm versus 22 mm.