The Caleffi NA12173 is a threaded nipple with a 1 in NPT connection.
Product data compiled from Caleffi North America technical documentation. Last reviewed July 2026.
FunctionNipple
Connection1 in NPT
Warranty2 Years
Key Features
Thread Transition
Joins the two thread standards/sizes in its name in a single genuine Caleffi fitting.
Genuine Caleffi Part
Factory fitting with correct dimensions and sealing geometry.
Technical Data
| Function | Nipple |
|---|---|
| Description | 1 in NPT Double Nipple |
| Connection type | NPT Threaded |
| Connection size | 1 in |
Related Products
Caleffi NA121621 in NippleCaleffi 61215A1 in AdapterCaleffi NA100621 in AdapterCaleffi NA100641 in Adapter
Frequently Asked Questions
What does the Caleffi NA12173 fit?
It is the genuine fitting for the matching Caleffi threaded assembly. Match your host model number and connection size before ordering.
2-Year Limited Warranty. Backed by Caleffi North America's limited warranty against defects in material and workmanship for two years from date of shipment. See Caleffi's limited warranty for full terms.
- Type:
- Nipple
- Connection Type:
- NPT Threaded
- Connection Size:
- 1 in
