- Cap Threads - 4.5 inch NH / NST
- This Cap Will Only Connect To A 4.5 NH / NST Fire Hydrant
- Material - Iron
- Supplied with Chain and Ring
- Color - Red
4 1/2" Male Fire Hydrant
- Outside diameter of a 4.5" male NH / NST adapter - 5.760 inches (4 Threads per inch)
