Brass 3" NH Plug (Pin Lug) Outlet Threads_NH / NST This product incorporates many ideas

This product incorporates many ideas given to us by our customers

Allows for maximum flow for given pressure at all twist positions

Custom threads are available

Square heads up to 1 1/4 inch

Fire Rescue

Brass 3" NH Plug (Pin Lug) Outlet Threads_NH / NST This product incorporates many ideasIf your FDC or female swivel connection is approx. 3 1 2 inch inside diameter, you need this plug. If your FDC is approx. 3 inches, you need 2 1 2 inch plug which is the most common in the US. Please contact your local fire department. Safety Notes Not intended for pressure applications for protection only Note 3 inch NH NST is very rare and is often confused with 2. 5 inch NH NST which is very common. If you have a fire department connection (FDC),