5" Storz Lock Cap & 4" NPT 30° Elbow Gasket Adapter Kit Maximum PSI_150 psi Carbon Steel 4" Flange x

Carbon Steel 4" Flange x 2 1/2" Female NH

5 inch NH / NST

The female threaded side of this adapter will only connect to a 1 1/4 inch male National Pipe Tapered (NPT) thread

outside zipper pocket

Equivalent part number - HA1510F

5" Storz Lock Cap & 4" NPT 30° Elbow Gasket Adapter Kit Maximum PSI_150 psi Carbon Steel 4" Flange xThe 5" Knox Storz Lock is operated with a Knox FDC Wrench controlled by the Fire Department. To ensure the Knox Storz Lock properly fits, the Knox Company strongly encourages the use of connections that meet the adapter specifications. The Knox Storz Lock protects large diameter Fire Department connections (FDC) from accidental damage, vandalism and physical attack. Since the locking cap holds water pressure, it can be installed on hydrants. The Knox