Knox Box Standpipe Lock 2 1/2" Female NH/NST Locking Cap Model:4023 (6.0 TPI x 3.187 OD) if your area has experienced

if your area has experienced theft of brass or copper FDC components

Hose remains organized and ready for rapid and easy deployment

Equivalent part number - HA40F40T

Pentagon nut at top of spindle discourages unauthorized use

Knox Box Standpipe Lock 2 1/2" Female NH/NST Locking Cap Model:4023 (6.0 TPI x 3.187 OD) if your area has experiencedThe 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