- Material - Aluminum
- Size - 2 1/2 inches
- Threads - NH / NST
- The Swivel Female Will Only Connect To A Male 2.5 NH / NST Fire Hydrant
2 1/2" Fire Hydrant NH / NST Threads
- Outside diameter of a 2 1/2" NH / NST male fire hydrant - 3.06 inches (7.5 Threads per inch)
