| Product Type: | Meter Coupling |
|---|---|
| Size: | 1/2" |
Yes.
M20058 is 3/4" NPSM by 1/2" NPT http://www.jonesstephens.com/wp-content/uploads/spec_sheet/Product-Spec-Sheet---m20058.pdf.pdf
The union is 3/4" NPSM, the pipe side is 1/2" NPT.
The male end is 1/2" NPT, and the female end is 3/4" NPSM.
The NPT connection measures 1/2" on the M20058 water meter coupling.