Knox Box Storz 4" Locking Cap Male Threads_NYC The female threaded side of

The female threaded side of this adapter will only connect to a 3 inch male National Pipe Tapered (NPT)

Type "A" stainless steel 1/2 inch male camlock (Cam & Groove) coupler to 1/2 inch female NPT threads

its occupants

For use up to 175 PSI (water only) at 70° F

Sports Field Conditioning

Knox Box Storz 4" Locking Cap Male Threads_NYC The female threaded side ofThe4" 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