Knox Box Standpipe Lock 2 1/2" Female NH/NST Locking Cap Pick One Side_6 inch The male threaded side of

The male threaded side of this adapter will only connect to a 6 inch female National Pipe Tapered (NPT) or National Pipe Straight Hose (NPSH) thread

High pressure type "B" aluminum 1 1/2 inch Female camlock (Cam & Groove) coupler to 1 1/2 inch male NH threads

Aluminum 1 inch NH / NST quarter Turn Forestry Coupling

so always verify the correct specifications with your local fire department before ordering

Knox Box Standpipe Lock 2 1/2" Female NH/NST Locking Cap Pick One Side_6 inch The male threaded side ofThe Knox Standpipe Lock protects standpipes, fire and wall hydrants from accidental damage, vandalism, and physical attack. Since the Knox Standpipe Lock holds water pressure, it can be installed on hydrants. The Knox Standpipe Lock is available for 2. 5 connections with varying thread options and is operated with a Knox FDC Wrench controlled by the Fire Department. Protects dry and wet standpipe outlets in stairwells from vandalism Reduces