Brass Chrome Plated 2 1/2" NH Plug Threads_NPSH x NPT The female threaded side of

The female threaded side of this adapter will only connect to a 1 inch male National Pipe Tapered (NPT)

Common quarter turn sexless head design (1 1/2 inch QT fitting will mate with 1 inch QT or 3/4 inch QT)

Global type "F" brass 4 inch male camlock (Cam & Groove) coupler to 4 inch male NPT threads

The female camlock cap will only fit a 4 inch male camlock

Dry hydrant storz adapter with aluminum storz cap

Brass Chrome Plated 2 1/2" NH Plug Threads_NPSH x NPT The female threaded side ofAluminum chrome plated 2 1 2 inch NH NST plug with chain. This is the most common replacement plug size in the US. If your FDC or female swivel inside diameter is approx. 3 inches across, you probably need this plug. Please call or check with your local fire department if you have any questions.